CaratHunter
Plans
Round|Natural|GIA

2.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 7531048260

Certificate GIA 7531048260

Diamond specifications and retailer prices

From £15,322 GBP
$20,530 USD
As of October 25, 2026
Save £12,173 GBP (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £27,495 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 7531048260. Listed at 19 retailers as of October 25, 2026, with prices from £15,322 to £27,495, a £12,173 spread on the same certified stone. MOH London lists it at £27,495. 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 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: £27,495 GBP|Low: £15,322 GBP|High: £27,678 GBP|Avg: £19,592 GBP|-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£15,322 GBP
Retailer 4£16,019 GBP
Retailer 6£16,098 GBP
Retailer 5£16,781 GBP
Retailer 13£17,511 GBP
Retailer 7£17,535 GBP
Retailer 8£17,659 GBP
Retailer 12£18,387 GBP
Retailer 11£18,971 GBP
Retailer 15£19,700 GBP
Retailer 2£20,209 GBP
Retailer 9£21,303 GBP
Retailer 10£23,525 GBP
Retailer 14£24,808 GBP
MOH London£27,495 GBP

33 data points across 15 retailers

19 retailers£15,322 GBP to £27,495 GBP

A
Cheapest Retailer
-
£15,322 GBP
$20,530 USD
A
Retailer 2
-
£16,019 GBP
$21,464 USD
View
A
Retailer 3
-
£16,098 GBP
$21,570 USD
View
A
Retailer 4
-
£16,781 GBP
$22,485 USD
View
Final sale: no returns
B+
Retailer 5
-
£17,511 GBP
$23,463 USD
View
B+
Retailer 6
-
£17,535 GBP
$23,495 USD
View
A
Retailer 7
-
£17,659 GBP
View
B+
Retailer 8
-
£18,076 GBP
$24,220 USD
View
B+
Retailer 9
-
£18,076 GBP
$24,220 USD
View
B+
Retailer 10
-
£18,387 GBP
$24,637 USD
View
B+
Retailer 11
-
£18,673 GBP
$25,020 USD
View
B+
Retailer 12
-
£18,716 GBP
$25,077 USD
View
B+
Retailer 13
-
£18,971 GBP
$25,419 USD
View
B+
Retailer 14
-
£19,700 GBP
$26,396 USD
View
B+
Retailer 15
-
£20,209 GBP
View
B+
Retailer 16
-
£21,303 GBP
€27,184 EUR
View
B
Retailer 17
-
£23,525 GBP
View
B
Retailer 18
-
£24,808 GBP
$33,240 USD
View
Most Expensive
B
MOH London
0104F5E16 · Oct 29
£27,495 GBP
View
18 more retailers have this diamond
Prices start from £15,322 GBPSave up to £12,173 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
£15,322 GBP