Round|Natural|GIA

2.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6562074899

Certificate GIA 6562074899

Diamond specifications and retailer prices

From $32,286 USD
£25,422 GBP
As of October 30, 2026
12 retailers carry this diamond
Most expensive: $39,346 USD at Cape Diamonds · As of September 25, 2026
View at Cape Diamonds

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562074899. Listed at 12 retailers as of October 30, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.51
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6562074899
Dimensions8.59 × 8.63 × 5.40 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
8.59 mm8.63 mm2.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562074899
Side View
Table 58.0%Crown 36°GirdlePavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $39,346 USD|Low: $25,793 USD|High: $45,874 USD|Avg: $31,850 USD
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 3$26,064 USD
Retailer 14$26,459 USD
Retailer 9$28,220 USD
Retailer 12$28,255 USD
Retailer 17$28,684 USD
Retailer 7$29,062 USD
Retailer 10$29,514 USD
Retailer 5$30,273 USD
Retailer 15$30,515 USD
Retailer 6$31,069 USD
Retailer 4$31,483 USD
Retailer 2$32,286 USD
Retailer 11$32,359 USD
Retailer 8$32,694 USD
Retailer 13$35,137 USD
Cape Diamonds$39,346 USD
Retailer 16$45,874 USD

31 data points across 17 retailers

12 retailers

Retailer 1
-
$26,459 USD
Price last confirmed 16 days ago
Retailer 2
-
$28,684 USD
A$44,129 AUD
View
Price last confirmed 37 days ago
Retailer 3
-
$29,062 USD
View
Price last confirmed 15 days ago
Retailer 4
-
$29,514 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$30,273 USD
View
Price last confirmed 36 days ago
Retailer 6
-
$30,515 USD
View
Price last confirmed 16 days ago
Retailer 7
-
$31,069 USD
View
Price last confirmed 15 days ago
Retailer 8
-
$31,483 USD
View
Price last confirmed 38 days ago
B+
Retailer 9
-
$32,286 USD
£25,422 GBP
View
Retailer 10
-
$32,359 USD
£25,480 GBP
View
Price last confirmed 15 days ago
Retailer 11
-
$32,694 USD
View
Price last confirmed 40 days ago
Most Expensive
Cape Diamonds
cert_6562074899 · Sep 25
$39,346 USD
ZAR 635,641 ZAR
View
Price last confirmed 36 days ago
11 more retailers have this diamond
Prices start from $32,286 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
2.51ct Round
$32,286 USD