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Round|Natural|GIA

2.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 7531048260

Certificate GIA 7531048260

Diamond specifications and retailer prices

From $20,530 USD
As of October 25, 2026
Save $16,310 USD (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $36,840 USD at MOH London · As of October 29, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7531048260. Listed at 19 retailers as of October 25, 2026, with prices from $20,530 to $36,840, a $16,310 spread on the same certified stone. MOH London lists it at $36,840. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7531048260
Dimensions8.67 × 8.63 × 5.39 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.67 mm8.63 mm2.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7531048260
Side View
Table 59.0%Crown 35.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.3%

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: Oct 25
Current: $36,840 USD|Low: $20,530 USD|High: $37,085 USD|Avg: $26,251 USD|-0.7%
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
October 30, 2026
Retailer 3$20,530 USD
Retailer 4$21,464 USD
Retailer 6$21,570 USD
Retailer 5$22,485 USD
Retailer 13$23,463 USD
Retailer 7$23,495 USD
Retailer 8$23,662 USD
Retailer 12$24,637 USD
Retailer 11$25,419 USD
Retailer 15$26,396 USD
Retailer 2$27,078 USD
Retailer 9$28,543 USD
Retailer 10$31,521 USD
Retailer 14$33,240 USD
MOH London$36,840 USD

33 data points across 15 retailers

19 retailers$20,530 USD to $36,840 USD

A
Cheapest Retailer
-
$20,530 USD
A
Retailer 2
-
$21,464 USD
View
A
Retailer 3
-
$21,570 USD
View
A
Retailer 4
-
$22,485 USD
View
Final sale: no returns
B+
Retailer 5
-
$23,463 USD
View
B+
Retailer 6
-
$23,495 USD
View
A
Retailer 7
-
$23,662 USD
£18,631 GBP
View
B+
Retailer 8
-
$24,220 USD
View
B+
Retailer 9
-
$24,220 USD
View
B+
Retailer 10
-
$24,637 USD
View
B+
Retailer 11
-
$25,020 USD
View
B+
Retailer 12
-
$25,077 USD
View
B+
Retailer 13
-
$25,419 USD
View
B+
Retailer 14
-
$26,396 USD
View
B+
Retailer 15
-
$27,078 USD
£21,321 GBP
View
B+
Retailer 16
-
$28,543 USD
€27,184 EUR
View
B
Retailer 17
-
$31,521 USD
£24,820 GBP
View
B
Retailer 18
-
$33,240 USD
View
Most Expensive
B
MOH London
0104F5E16 · Oct 29
$36,840 USD
£29,008 GBP
View
18 more retailers have this diamond
Prices start from $20,530 USDSave up to $16,310 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
$20,530 USD