4.5 Carat Round Natural Diamond Prices Comparison
As of April 2026, 4.5 carat round natural diamonds usually range from $4,566 to $257,528, with an average price of $79,359.In the last month, prices for these diamonds are down 0.9%.Compare 115 verified listings across 7 retailers tracked by CaratRadar.
4.5 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 115 verified 4.5-carat round natural diamonds listed across 7 online retailers. Prices in this segment range from $4,566 to $257,528, with an average asking price of $79,359 and a median of $70,778.
The price spread of $252,962 (98.2% from highest to lowest) highlights why comparing identical certified diamonds across multiple retailers matters. Two identical certified diamonds can differ by hundreds or even thousands of dollars depending on the retailer.
These figures 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.
115 diamonds tracked in this segment
Price range: $4,566 to $257,528
Average price: $79,359
Median price: $70,778
Available across 7 retailers
Savings potential: up to 98.2%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
115
$4,566
$79,359
$70,778
$257,528
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
GIA | 4.5ct | Round | D | VVS2 | Excellent
From $231,177
Compare at $257,320
Save 14.1%GIA | 4.5ct | Round | I | SI2 | Ideal
From $56,752
Compare at $66,037
Save 38.4%GIA | 4.5ct | Round | H | VS2 | Excellent
From $84,694
Compare at $137,596
Save 14.1%GIA | 4.5ct | Round | I | VS1 | Ideal
From $74,236
Compare at $86,381
GIA | 4.5ct | Round | H | VVS2 | Excellent
From $104,615
Compare at $113,513
Save 37.2%GIA | 4.5ct | Round | H | VS1 | Ideal
From $104,947
Compare at $167,053
Save 29.3%GIA | 4.5ct | Round | J | VS1 | Ideal
From $50,506
Compare at $71,474
Save 17%GIA | 4.5ct | Round | G | SI2 | Ideal
From $60,515
Compare at $72,900
Save 20.9%GIA | 4.5ct | Round | E | VVS2 | Ideal
From $145,110
Compare at $183,337
Save 13.9%GIA | 4.5ct | Round | I | VS2 | Ideal
From $60,858
Compare at $70,657
Save 38.2%GIA | 4.5ct | Round | L | VS1 | Excellent
From $33,339
Compare at $53,914
Save 15%GIA | 4.5ct | Round | K | SI2 | Excellent
From $45,738
Compare at $53,798
Save 22.6%GIA | 4.5ct | Round | J | SI2 | Excellent
From $34,871
Compare at $45,073
Save 29.3%GIA | 4.5ct | Round | J | VS2 | Ideal
From $53,087
Compare at $75,129
GIA | 4.5ct | Round | K | VS2 | Excellent
From $50,423
Compare at $55,333
Save 14.1%GIA | 4.5ct | Round | J | VS1 | Ideal
From $58,720
Compare at $68,327
Save 13.8%GIA | 4.5ct | Round | H | VS1 | Excellent
From $96,178
Compare at $111,623
Save 16.1%GIA | 4.5ct | Round | E | SI2 | Excellent
From $81,033
Compare at $96,587
Save 16.4%GIA | 4.5ct | Round | H | VVS2 | Excellent
From $77,518
Compare at $92,777
Save 14.5%GIA | 4.5ct | Round | J | SI2 | Excellent
From $50,715
Compare at $59,346
Save 38.2%GIA | 4.5ct | Round | L | SI1 | Ideal
From $27,445
Compare at $44,383
Save 29%GIA | 4.5ct | Round | L | SI1 | Excellent
From $37,302
Compare at $52,546
Save 22%GIA | 4.5ct | Round | K | SI2 | Excellent
From $41,958
Compare at $53,798
GIA | 4.5ct | Round | I | SI2 | Excellent
From $52,587
Compare at $57,169
Save 14.1%GIA | 4.5ct | Round | H | VS1 | Excellent
From $95,163
Compare at $110,733
Save 19.4%GIA | 4.5ct | Round | D | VS2 | Excellent
From $130,659
Compare at $162,199
GIA | 4.5ct | Round | G | VVS1 | Excellent
From $142,740
Compare at $151,342
Save 29.3%GIA | 4.5ct | Round | H | SI1 | Excellent
From $74,180
Compare at $104,980
Save 11.8%GIA | 4.5ct | Round | G | VS1 | Excellent
From $117,369
Compare at $133,048
Save 16.1%GIA | 4.5ct | Round | J | VS1 | Excellent
From $61,572
Compare at $73,358
GIA | 4.5ct | Round | I | SI1 | Excellent
From $68,740
Compare at $74,198
HRD | 4.5ct | Round | H | VVS1 | Excellent
From $68,991
Compare at $75,043
IGI | 4.5ct | Round | J | IF | Excellent
From $50,144
Compare at $55,342
IGI | 4.5ct | Round | I | VVS2 | Excellent
From $62,746
Compare at $68,760
IGI | 4.5ct | Round | I | SI1 | Excellent
From $33,032
Compare at $36,242
IGI | 4.5ct | Round | G | VS1 | Very Good
From $78,921
Compare at $78,925
IGI | 4.5ct | Round | H | VVS1 | Excellent
From $65,271
Compare at $71,533
IGI | 4.5ct | Round | I | IF | Excellent
From $53,030
Compare at $58,535
IGI | 4.5ct | Round | I | VVS2 | Excellent
From $55,715
Compare at $61,760
IGI | 4.5ct | Round | H | SI1 | Ideal
From $53,338
Compare at $55,424
GIA | 4.51ct | Round | K | SI1 | Excellent
From $44,200
Compare at $44,205
Save 13.9%GIA | 4.51ct | Round | H | SI2 | Ideal
From $60,682
Compare at $70,451
Save 27%GIA | 4.51ct | Round | I | VVS2 | Excellent
From $75,493
Compare at $103,450
GIA | 4.51ct | Round | F | SI2 | Excellent
From $83,109
Compare at $100,303
Save 12.6%GIA | 4.51ct | Round | E | SI2 | Excellent
From $67,870
Compare at $77,645
GIA | 4.51ct | Round | I | VS1 | Ideal
From $77,630
Compare at $81,425
Save 14.5%GIA | 4.51ct | Round | I | SI2 | Excellent
From $56,429
Compare at $66,025
Save 14.5%GIA | 4.51ct | Round | G | VS1 | Excellent
From $122,981
Compare at $143,921
Save 11.8%GIA | 4.51ct | Round | F | VS1 | Excellent
From $138,221
Compare at $156,673
Save 29%GIA | 4.51ct | Round | L | SI1 | Excellent
From $37,384
Compare at $52,662
Entry pricing in this category starts around $4,566.
What to Know When Shopping for 4.5 Carat Round Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $252,962 or more.
- 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 $70,778 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.
- Compare natural vs. lab-grown options for the same carat and shape. Lab-grown diamonds are chemically identical but often 30-50% less expensive.
- Check shipping, insurance, and return policies. The lowest sticker price is not always the best deal once you factor in total cost of purchase.
- Round brilliants command a premium due to higher rough waste during cutting. If budget matters, consider oval or cushion shapes for similar visual size.
Frequently Asked Questions
We currently track 115 comparable stones in this segment. Prices start around $4,566 and go up to $257,528.
Based on the latest market data, the average asking price is about $79,359 with a median around $70,778.
The observed spread is roughly $252,962 across tracked listings, which is about 98.2% from highest to lowest offer in this bucket.
We refresh pricing data daily so these pages stay current with market changes.
Based on our data, the median price is $70,778, which represents the midpoint of the market. Anything below this figure from a reputable retailer is a solid deal.
We currently track this stone category across 7 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. The exact certified diamond can differ by $252,962 across 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.
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Tracking Natural inventory for 4.5 carat Round diamonds.