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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 $29,227 AUD
$20,530 USD
As of October 25, 2026
Save $23,219 AUD (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $52,446 AUD 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 $29,227 to $52,446, a $23,219 spread on the same certified stone. MOH London lists it at $52,446. 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: $52,446 AUD|Low: $29,227 AUD|High: $52,795 AUD|Avg: $37,684 AUD|-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
November 1, 2026
Retailer 3$29,227 AUD
Retailer 4$30,556 AUD
Retailer 6$30,707 AUD
Retailer 5$32,010 AUD
Retailer 12$33,402 AUD
Retailer 2$33,685 AUD
Retailer 11$35,073 AUD
Retailer 10$36,186 AUD
Retailer 14$37,577 AUD
Retailer 8$38,548 AUD
Retailer 7$40,350 AUD
Retailer 9$44,874 AUD
Retailer 13$47,320 AUD
MOH London$52,446 AUD

34 data points across 14 retailers

19 retailers$29,227 AUD to $52,446 AUD

A
Cheapest Retailer
-
$29,227 AUD
$20,530 USD
A
Retailer 2
-
$30,556 AUD
$21,464 USD
View
A
Retailer 3
-
$30,707 AUD
$21,570 USD
View
A
Retailer 4
-
$32,010 AUD
$22,485 USD
View
Final sale: no returns
B+
Retailer 5
-
$33,402 AUD
$23,463 USD
View
B+
Retailer 6
-
$33,447 AUD
$23,495 USD
View
A
Retailer 7
-
$33,685 AUD
£18,632 GBP
View
B+
Retailer 8
-
$34,480 AUD
$24,220 USD
View
B+
Retailer 9
-
$34,480 AUD
$24,220 USD
View
B+
Retailer 10
-
$35,073 AUD
$24,637 USD
View
B+
Retailer 11
-
$35,618 AUD
$25,020 USD
View
B+
Retailer 12
-
$35,700 AUD
$25,077 USD
View
B+
Retailer 13
-
$36,186 AUD
$25,419 USD
View
B+
Retailer 14
-
$37,577 AUD
$26,396 USD
View
B+
Retailer 15
-
$38,548 AUD
£21,321 GBP
View
B+
Retailer 16
-
$40,350 AUD
€26,994 EUR
View
B
Retailer 17
-
$44,874 AUD
£24,820 GBP
View
B
Retailer 18
-
$47,320 AUD
$33,240 USD
View
Most Expensive
B
MOH London
0104F5E16 · Oct 29
$52,446 AUD
£29,008 GBP
View
18 more retailers have this diamond
Prices start from $29,227 AUDSave up to $23,219 AUD

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
$29,227 AUD