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Round|Natural|GIA

2.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7566038372

Certificate GIA 7566038372

Diamond specifications and retailer prices

From £17,546 GBP
$23,510 USD
As of November 1, 2026
Save £14,186 GBP (45%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £31,733 GBP 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7566038372. Listed at 18 retailers as of November 1, 2026, with prices from £17,546 to £31,733, a £14,186 spread on the same certified stone. MOH London lists it at £31,733. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7566038372
Dimensions8.64 × 8.69 × 5.40 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
8.64 mm8.69 mm2.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566038372
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 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: Nov 1
Current: £31,733 GBP|Low: £17,500 GBP|High: £31,902 GBP|Avg: £21,793 GBP|+1.2%
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 1, 2026
Retailer 11£17,523 GBP
Retailer 3£17,546 GBP
Retailer 5£18,237 GBP
Retailer 9£18,499 GBP
Retailer 7£19,471 GBP
Retailer 10£19,716 GBP
Retailer 19£19,767 GBP
Retailer 4£20,318 GBP
Retailer 14£20,505 GBP
Retailer 16£20,801 GBP
Retailer 6£21,165 GBP
Retailer 20£21,334 GBP
Retailer 18£22,012 GBP
Retailer 13£22,411 GBP
Retailer 8£22,858 GBP
Retailer 12£24,323 GBP
Retailer 2£24,545 GBP
Retailer 17£26,279 GBP
Retailer 15£28,095 GBP
MOH London£31,733 GBP

23 data points across 20 retailers

18 retailers£17,546 GBP to £31,733 GBP

A
Cheapest Retailer
-
£17,546 GBP
$23,510 USD
B+
Retailer 2
-
£18,237 GBP
$24,435 USD
View
B+
Retailer 3
-
£18,499 GBP
$24,787 USD
View
B+
Retailer 4
-
£19,471 GBP
$26,089 USD
View
Final sale: no returns
Retailer 5
-
£19,716 GBP
A$40,641 AUD
View
Price last confirmed 34 days ago
B+
Retailer 6
-
£19,767 GBP
$26,485 USD
View
B+
Retailer 7
-
£20,318 GBP
$27,224 USD
View
B+
Retailer 8
-
£20,505 GBP
View
B+
Retailer 9
-
£20,801 GBP
$27,871 USD
View
B+
Retailer 10
-
£21,165 GBP
$28,359 USD
View
B+
Retailer 11
-
£21,334 GBP
$28,585 USD
View
B+
Retailer 12
-
£22,012 GBP
$29,493 USD
View
B+
Retailer 13
-
£22,411 GBP
View
B
Retailer 14
-
£22,858 GBP
$30,627 USD
View
B
Retailer 15
-
£24,545 GBP
€31,321 EUR
View
B
Retailer 16
-
£26,279 GBP
View
B
Retailer 17
-
£28,095 GBP
ZAR 608,156 ZAR
View
Most Expensive
B
MOH London
C1964CE78 · Nov 1
£31,733 GBP
View
17 more retailers have this diamond
Prices start from £17,546 GBPSave up to £14,186 GBP

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
£17,546 GBP