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Round|Natural|GIA

2.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 7502077250

Certificate GIA 7502077250

Diamond specifications and retailer prices

From $19,829 USD
As of October 30, 2026
Save $18,854 USD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $38,683 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 7502077250. Listed at 15 retailers as of October 29, 2026, with prices from $19,829 to $38,683, a $18,854 spread on the same certified stone. MOH London lists it at $38,683. 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 angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7502077250
Dimensions8.74 × 8.77 × 5.36 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Culet sizeNone
Top View
8.74 mm8.77 mm2.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7502077250
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.2%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $38,683 USD|Low: $19,829 USD|High: $38,939 USD|Avg: $26,693 USD|-0.5%
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 5$19,829 USD
Retailer 9$21,685 USD
Retailer 6$22,377 USD
Retailer 3$22,648 USD
Retailer 11$23,186 USD
Retailer 13$24,636 USD
Retailer 8$24,851 USD
Retailer 12$25,868 USD
Retailer 4$26,690 USD
Retailer 7$27,716 USD
Retailer 15$27,788 USD
Retailer 10$28,752 USD
Retailer 2$29,894 USD
Retailer 14$34,902 USD
MOH London$38,683 USD

34 data points across 15 retailers

15 retailers$19,829 USD to $38,683 USD

A
Cheapest Retailer
-
$19,829 USD
A
Retailer 2
-
$21,685 USD
View
A
Retailer 3
-
$22,377 USD
View
A
Retailer 4
-
$22,648 USD
View
B+
Retailer 5
-
$23,186 USD
CA$32,203 CAD
View
B+
Retailer 6
-
$24,636 USD
View
B+
Retailer 7
-
$24,851 USD
£19,567 GBP
View
B+
Retailer 8
-
$25,868 USD
View
B+
Retailer 9
-
$26,690 USD
View
B+
Retailer 10
-
$27,716 USD
View
B+
Retailer 11
-
$27,788 USD
View
B+
Retailer 12
-
$28,752 USD
View
B+
Retailer 13
-
$29,894 USD
€28,470 EUR
View
B
Retailer 14
-
$34,902 USD
View
Most Expensive
B
MOH London
C8C097D7E · Oct 29
$38,683 USD
£30,459 GBP
View
14 more retailers have this diamond
Prices start from $19,829 USDSave up to $18,854 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
$19,829 USD