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Round|Natural|GIA

2.51ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6562387713

Certificate GIA 6562387713

Diamond specifications and retailer prices

From $23,117 USD
HK$180,600 HKD
As of November 1, 2026
Save $19,981 USD (46%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $43,097 USD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562387713. Listed at 22 retailers as of November 1, 2026, with prices from $23,117 to $43,097, a $19,981 spread on the same certified stone. MOH London lists it at $43,097. 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
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6562387713
Dimensions8.66 × 8.71 × 5.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Feather, Needle
Top View
8.66 mm8.71 mm2.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562387713
Side View
Table 58.0%Crown 33°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $43,097 USD|Low: $23,117 USD|High: $43,927 USD|Avg: $30,917 USD|-1.9%
MOH London
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
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 6$23,117 USD
Retailer 12$24,150 USD
Retailer 14$25,209 USD
Retailer 4$27,733 USD
Retailer 13$27,851 USD
Retailer 7$27,921 USD
Retailer 20$28,745 USD
Retailer 19$28,832 USD
Retailer 5$29,605 USD
Retailer 11$30,305 USD
Retailer 2$30,435 USD
Retailer 18$30,460 USD
Retailer 10$31,184 USD
Retailer 8$31,983 USD
Retailer 9$32,999 USD
Retailer 15$33,334 USD
Retailer 17$33,901 USD
Retailer 3$34,268 USD
Retailer 16$38,159 USD
MOH London$43,097 USD

19 data points across 20 retailers

22 retailers$23,117 USD to $43,097 USD

A
Cheapest Retailer
-
$23,117 USD
HK$180,600 HKD
A
Retailer 2
-
$24,150 USD
View
A
Retailer 3
-
$25,209 USD
₹2,400,812 INR
View
Retailer 4
-
$26,200 USD
SGD 35,406 SGD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$27,733 USD
View
B+
Retailer 6
-
$27,851 USD
£21,930 GBP
View
B+
Retailer 7
-
$27,921 USD
View
Final sale: no returns
B+
Retailer 8
-
$28,745 USD
View
B+
Retailer 9
-
$28,832 USD
View
Retailer 10
-
$29,093 USD
A$44,759 AUD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
$29,605 USD
View
B+
Retailer 12
-
$30,305 USD
View
B+
Retailer 13
-
$30,435 USD
£23,965 GBP
View
B+
Retailer 14
-
$30,460 USD
View
B
Retailer 15
-
$31,184 USD
View
B+
Retailer 16
-
$31,983 USD
View
B+
Retailer 17
-
$32,999 USD
View
B+
Retailer 18
-
$33,334 USD
€31,747 EUR
View
B+
Retailer 19
-
$33,901 USD
View
B+
Retailer 20
-
$34,268 USD
View
B
Retailer 21
-
$38,159 USD
ZAR 616,454 ZAR
View
Most Expensive
B
MOH London
3DB703994 · Nov 1
$43,097 USD
£33,935 GBP
View
21 more retailers have this diamond
Prices start from $23,117 USDSave up to $19,981 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.

A
2.51ct Round
$23,117 USD