4.5 Carat Princess Lab Grown Diamond Prices Comparison
A 4.5 carat princess lab grown diamond typically costs $2,020 (median of 307 listings at 14 online stores), with most between $837 and $8,669. Average prices fell 1% over the last month. Updated .
Average $3,042. Listings run from $573 to $28,286 in the 4.50–4.99 carat range.
See the live listings4.5 Carat Princess Lab Grown Diamond Market Overview
CaratRadar currently tracks 307 verified 4.5-carat princess lab grown diamonds in the 4.50–4.99 carat benchmark range, listed across 14 online retailers. Prices in this segment range from $573 to $28,286, with an average asking price of $3,042 and a median of $2,020.
Across this category, asking prices span $27,713 (98.0% from the most expensive to the cheapest listing). The same certified diamond can also be listed at different prices by different retailers, which is why CaratRadar compares stones by certificate number.
These figures use the same benchmark range throughout the page and are based on our latest daily market data, matched by certification lab and certificate number across retailers, so you are comparing the exact same diamond.
307 diamonds tracked in the 4.50–4.99 carat benchmark
Price range: $573 to $28,286
Average price: $3,042
Median price: $2,020
Available across 14 retailers
Category price spread: 98.0%
Price Range Overview
As of Oct 24, 2026Real market range for this carat, shape, and diamond type.
307
$573
$3,042
$2,020
$28,286
Price History
Price Comparison Matrix
Compare nearby
Prices for the next carat weights, other shapes and the natural twin.
Nearby carat weights
Other shapes at 4.5 carat
- 4.5 carat round lab grown diamond pricesAverage $2,795
- 4.5 carat oval lab grown diamond pricesAverage $3,207
- 4.5 carat emerald lab grown diamond pricesAverage $3,075
- 4.5 carat pear lab grown diamond pricesAverage $2,981
- 4.5 carat radiant lab grown diamond pricesAverage $2,813
- 4.5 carat marquise lab grown diamond pricesAverage $3,243
Live Listings
See all listingsCompare current retailer offers in the same benchmark range and open any listing for full details.
Save 68.9%IGI | 4.53ct | Princess | F | VVS2 | Very Good
From $676
Compare at $2,176
Save 78.4%IGI | 4.52ct | Princess | H | VS1 | Ideal
From $701
Compare at $3,240
Save 78.3%IGI | 4.59ct | Princess | H | VS1 | Excellent
From $712
Compare at $3,280
Save 67.7%IGI | 4.69ct | Princess | G | VS1 | Ideal
From $721
Compare at $2,232
Save 62.4%IGI | 4.5ct | Princess | E | VS1 | Excellent
From $724
Compare at $1,926
Save 78.1%IGI | 4.73ct | Princess | H | VS1 | Ideal
From $735
Compare at $3,360
Save 72%IGI | 4.55ct | Princess | F | VS1 | Good
From $741
Compare at $2,649
Save 68.7%IGI | 4.72ct | Princess | J | VVS2 | Ideal
From $743
Compare at $2,374
Save 78.1%IGI | 4.58ct | Princess | F | VS1 | Very Good
From $746
Compare at $3,413
Save 72.1%IGI | 4.59ct | Princess | F | VS1 | Ideal
From $747
Compare at $2,673
Save 78.1%IGI | 4.54ct | Princess | F | VVS2 | Good
From $748
Compare at $3,422
Save 78.1%IGI | 4.56ct | Princess | F | VVS2 | Ideal
From $751
Compare at $3,437
Save 71.7%IGI | 4.57ct | Princess | F | VVS2 | Ideal
From $753
Compare at $2,662
Save 71.7%IGI | 4.57ct | Princess | F | VVS2 | Very Good
From $753
Compare at $2,662
Save 78.1%IGI | 4.58ct | Princess | F | VVS2 | Ideal
From $755
Compare at $3,452
Save 78.1%IGI | 4.58ct | Princess | F | VVS2 | Very Good
From $755
Compare at $3,452
Save 68.7%IGI | 4.85ct | Princess | J | VVS2 | Ideal
From $762
Compare at $2,436
Save 70.7%IGI | 4.57ct | Princess | F | VVS2 | Ideal
From $766
Compare at $2,613
Save 69.9%IGI | 4.57ct | Princess | G | VVS2 | Very Good
From $772
Compare at $2,567
Save 78.1%IGI | 4.52ct | Princess | E | VVS2 | Excellent
From $779
Compare at $3,564
Save 78.1%IGI | 4.52ct | Princess | E | VVS2 | Very Good
From $779
Compare at $3,564
Save 76.4%IGI | 4.53ct | Princess | E | VVS2 | Ideal
From $780
Compare at $3,305
Save 76.4%IGI | 4.53ct | Princess | E | VVS2 | Ideal
From $780
Compare at $3,305
Save 78.2%IGI | 4.54ct | Princess | E | VVS2 | Very Good
From $782
Compare at $3,579
Save 76.4%IGI | 4.55ct | Princess | E | VVS2 | Ideal
From $784
Compare at $3,319
Save 78.2%IGI | 4.56ct | Princess | E | VVS2 | Ideal
From $785
Compare at $3,595
Save 78.2%IGI | 4.56ct | Princess | E | VVS2 | Very Good
From $785
Compare at $3,595
Save 55.4%IGI | 4.52ct | Princess | F | VS1 | Very Good
From $785
Compare at $1,760
Save 78.2%IGI | 4.56ct | Princess | E | VVS2 | Very Good
From $785
Compare at $3,595
Save 76.4%IGI | 4.57ct | Princess | E | VVS2 | Ideal
From $787
Compare at $3,334
Save 78.2%IGI | 4.52ct | Princess | E | VS2 | Good
From $787
Compare at $3,603
Save 76.4%IGI | 4.57ct | Princess | E | VVS2 | Ideal
From $787
Compare at $3,334
Save 76.4%IGI | 4.57ct | Princess | E | VVS2 | Ideal
From $787
Compare at $3,334
Save 76.4%IGI | 4.57ct | Princess | E | VVS2 | Ideal
From $787
Compare at $3,334
Save 76.4%IGI | 4.57ct | Princess | E | VVS2 | Ideal
From $787
Compare at $3,334
Save 76.4%IGI | 4.57ct | Princess | E | VVS2 | Good
From $787
Compare at $3,334
Save 76.4%IGI | 4.57ct | Princess | E | VVS2 | Good
From $787
Compare at $3,334
Save 70.7%IGI | 4.55ct | Princess | F | VVS2 | Ideal
From $789
Compare at $2,692
Save 78.2%IGI | 4.58ct | Princess | E | VVS2 | Ideal
From $789
Compare at $3,611
Save 78.2%IGI | 4.58ct | Princess | E | VVS2 | Excellent
From $789
Compare at $3,611
Save 78.2%IGI | 4.58ct | Princess | E | VVS2 | Ideal
From $789
Compare at $3,611
Save 76.4%IGI | 4.59ct | Princess | E | VVS2 | Excellent
From $790
Compare at $3,348
Save 76.4%IGI | 4.59ct | Princess | E | VVS2 | Very Good
From $790
Compare at $3,348
Save 76.4%IGI | 4.59ct | Princess | E | VVS2 | Very Good
From $790
Compare at $3,348
Save 48.3%IGI | 4.83ct | Princess | F | VS1 | Good
From $796
Compare at $1,540
Save 76.1%IGI | 4.59ct | Princess | E | VS2 | Ideal
From $799
Compare at $3,348
Save 70.7%IGI | 4.55ct | Princess | E | VS1 | Very Good
From $813
Compare at $2,774
Save 76%IGI | 4.78ct | Princess | H | VS1 | Ideal
From $815
Compare at $3,390
Save 79.5%IGI | 4.52ct | Princess | G | VS1 | Ideal
From $816
Compare at $3,980
Save 79.5%IGI | 4.55ct | Princess | G | VS1 | Ideal
From $822
Compare at $4,010
Entry pricing in this benchmark range starts around $573.
What to Know When Shopping for 4.5 Carat Princess Lab Grown Diamonds
- Always compare identical certified diamonds across retailers, because the same certificate can be listed at different prices by different stores. Across this whole category, asking prices span $27,713 from the cheapest to the most expensive listing.
- Focus on the 4Cs that matter most to you. Color and clarity grades drive price more than cut in many segments, but cut affects sparkle the most.
- The median price of $2,020 is a useful benchmark. If you see a deal significantly below this, verify the retailer's reputation and return policy.
- Consider eye-clean alternatives. Moving one clarity grade down (e.g., VS2 to SI1) can save 10-15% with no visible difference to the naked eye.
- Lab-grown diamonds offer excellent value. Ensure the stone comes with a GIA or IGI certificate confirming it is laboratory-grown.
- Check shipping, insurance, and return policies. The lowest sticker price is not always the best deal once you factor in total cost of purchase.
- Princess-cut diamonds are prone to chipping at the corners. Look for protective prong settings and avoid stones with visible inclusions near the edges.
Frequently Asked Questions
We currently track 307 comparable stones in the 4.50–4.99 carat benchmark range. Prices start around $573 and go up to $28,286.
Based on the latest market data, the average asking price is about $3,042 with a median around $2,020.
The observed spread is roughly $27,713 across tracked listings, which is about 98.0% from highest to lowest offer in the 4.50–4.99 carat benchmark range.
We refresh pricing data daily so these pages stay current with market changes.
Based on completed market data, the fair market benchmark is $3,042. The median price is $2,020, so offers between the median and fair benchmark can be reasonable, while reputable listings below the median may be especially competitive.
We currently track this stone category across 14 online retailers, giving you a broad view of the competitive landscape.
For most buyers, color differences below G are hard to detect once set in a ring. Clarity grades of VS2 and above are typically eye-clean. Prioritize cut quality for maximum brilliance, then balance color and clarity based on your budget.
Retailer pricing strategies, overhead costs, and margin targets all contribute. Across this category, asking prices span $27,713 from the cheapest to the most expensive listing, and the same certified diamond can also carry different prices at different sellers, which is why direct certified-diamond comparison is essential.
We match diamonds across retailers by their certification lab and certificate number. This means the prices you see are for the exact same physical diamond, not just stones with similar specs. It is a true apples-to-apples comparison.
Diamond prices fluctuate based on supply and demand. Our data refreshes regularly so you can track trends over time. Use the price range on this page as a benchmark and compare it to historical averages when available.
Diamond Terminology
- Carat
- A unit of weight for diamonds equal to 200 milligrams. Larger carat weights are exponentially rarer, which is why prices increase non-linearly with size.
- Cut
- Refers to how well a diamond's facets interact with light. Cut quality ranges from Ideal to Poor and is the single biggest factor affecting a diamond's brilliance.
- Color
- Grades a diamond's lack of color on a scale from D (colorless) to Z (light yellow). Grades D-F are considered colorless; G-J are near-colorless and offer good value.
- Clarity
- Measures the presence of internal inclusions or surface blemishes. Grades range from Flawless (FL) to Included (I3). Most inclusions in VS2 and above are invisible to the naked eye.
Tools and Guides
Tracking Lab Grown inventory for the 4.50–4.99 carat Princess diamond benchmark.