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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 £14,799 GBP
$19,829 USD
As of October 30, 2026
Save £14,071 GBP (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £28,870 GBP 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 £14,799 to £28,870, a £14,071 spread on the same certified stone. MOH London lists it at £28,870. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £28,870 GBP|Low: £14,799 GBP|High: £29,062 GBP|Avg: £19,921 GBP|-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 31, 2026
Retailer 5£14,799 GBP
Retailer 9£16,184 GBP
Retailer 6£16,701 GBP
Retailer 3£16,903 GBP
Retailer 11£17,304 GBP
Retailer 13£18,387 GBP
Retailer 2£18,547 GBP
Retailer 12£19,306 GBP
Retailer 4£19,920 GBP
Retailer 7£20,685 GBP
Retailer 15£20,739 GBP
Retailer 10£21,458 GBP
Retailer 8£22,310 GBP
Retailer 14£26,048 GBP
MOH London£28,870 GBP

35 data points across 15 retailers

15 retailers£14,799 GBP to £28,870 GBP

A
Cheapest Retailer
-
£14,799 GBP
$19,829 USD
A
Retailer 2
-
£16,184 GBP
$21,685 USD
View
A
Retailer 3
-
£16,701 GBP
$22,377 USD
View
A
Retailer 4
-
£16,903 GBP
$22,648 USD
View
B+
Retailer 5
-
£17,304 GBP
CA$32,203 CAD
View
B+
Retailer 6
-
£18,387 GBP
$24,636 USD
View
B+
Retailer 7
-
£18,547 GBP
View
B+
Retailer 8
-
£19,306 GBP
$25,868 USD
View
B+
Retailer 9
-
£19,920 GBP
$26,690 USD
View
B+
Retailer 10
-
£20,685 GBP
$27,716 USD
View
B+
Retailer 11
-
£20,739 GBP
$27,788 USD
View
B+
Retailer 12
-
£21,458 GBP
$28,752 USD
View
B+
Retailer 13
-
£22,310 GBP
€28,470 EUR
View
B
Retailer 14
-
£26,048 GBP
$34,902 USD
View
Most Expensive
B
MOH London
C8C097D7E · Oct 29
£28,870 GBP
View
14 more retailers have this diamond
Prices start from £14,799 GBPSave up to £14,071 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
£14,799 GBP