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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 $28,229 AUD
$19,829 USD
As of October 30, 2026
Save $26,546 AUD (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $54,774 AUD 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7502077250. Listed at 15 retailers as of October 30, 2026, with prices from $28,229 to $54,774, a $26,546 spread on the same certified stone. MOH London lists it at $54,774. 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: $54,774 AUD|Low: $28,229 AUD|High: $55,434 AUD|Avg: $37,994 AUD|-1.1%
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
November 1, 2026
Retailer 5$28,229 AUD
Retailer 9$30,871 AUD
Retailer 6$31,856 AUD
Retailer 3$32,242 AUD
Retailer 11$33,008 AUD
Retailer 13$35,072 AUD
Retailer 8$35,378 AUD
Retailer 12$36,826 AUD
Retailer 4$37,996 AUD
Retailer 7$39,456 AUD
Retailer 15$39,559 AUD
Retailer 10$40,931 AUD
Retailer 2$42,367 AUD
Retailer 14$49,686 AUD
MOH London$54,774 AUD

36 data points across 15 retailers

15 retailers$28,229 AUD to $54,774 AUD

A
Cheapest Retailer
-
$28,229 AUD
$19,829 USD
Retailer 2
-
$30,871 AUD
$21,685 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$31,856 AUD
$22,377 USD
View
A
Retailer 4
-
$32,242 AUD
$22,648 USD
View
B+
Retailer 5
-
$33,008 AUD
CA$32,203 CAD
View
B+
Retailer 6
-
$35,072 AUD
$24,636 USD
View
B+
Retailer 7
-
$35,378 AUD
£19,568 GBP
View
B+
Retailer 8
-
$36,826 AUD
$25,868 USD
View
B+
Retailer 9
-
$37,996 AUD
$26,690 USD
View
B+
Retailer 10
-
$39,456 AUD
$27,716 USD
View
B+
Retailer 11
-
$39,559 AUD
$27,788 USD
View
B+
Retailer 12
-
$40,931 AUD
$28,752 USD
View
B+
Retailer 13
-
$42,367 AUD
€28,343 EUR
View
B
Retailer 14
-
$49,686 AUD
$34,902 USD
View
Most Expensive
B
MOH London
C8C097D7E · Nov 1
$54,774 AUD
£30,296 GBP
View
14 more retailers have this diamond
Prices start from $28,229 AUDSave up to $26,546 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
$28,229 AUD