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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 $35,183 NZD
$19,829 USD
As of October 30, 2026
Save $33,085 NZD (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $68,268 NZD 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 $35,183 to $68,268, a $33,085 spread on the same certified stone. MOH London lists it at $68,268. 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: $68,268 NZD|Low: $35,183 NZD|High: $69,090 NZD|Avg: $47,354 NZD|-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$35,183 NZD
Retailer 9$38,476 NZD
Retailer 6$39,704 NZD
Retailer 3$40,184 NZD
Retailer 11$41,139 NZD
Retailer 13$43,712 NZD
Retailer 8$44,093 NZD
Retailer 12$45,898 NZD
Retailer 4$47,356 NZD
Retailer 7$49,176 NZD
Retailer 15$49,304 NZD
Retailer 10$51,015 NZD
Retailer 2$52,803 NZD
Retailer 14$61,927 NZD
MOH London$68,268 NZD

36 data points across 15 retailers

15 retailers$35,183 NZD to $68,268 NZD

A
Cheapest Retailer
-
$35,183 NZD
$19,829 USD
Retailer 2
-
$38,476 NZD
$21,685 USD
View
A
Retailer 3
-
$39,704 NZD
$22,377 USD
View
A
Retailer 4
-
$40,184 NZD
$22,648 USD
View
B+
Retailer 5
-
$41,139 NZD
CA$32,203 CAD
View
B+
Retailer 6
-
$43,712 NZD
$24,636 USD
View
B+
Retailer 7
-
$44,093 NZD
£19,568 GBP
View
B+
Retailer 8
-
$45,898 NZD
$25,868 USD
View
B+
Retailer 9
-
$47,356 NZD
$26,690 USD
View
B+
Retailer 10
-
$49,176 NZD
$27,716 USD
View
B+
Retailer 11
-
$49,304 NZD
$27,788 USD
View
B+
Retailer 12
-
$51,015 NZD
$28,752 USD
View
B+
Retailer 13
-
$52,803 NZD
€28,343 EUR
View
B
Retailer 14
-
$61,927 NZD
$34,902 USD
View
Most Expensive
B
MOH London
C8C097D7E · Nov 1
$68,268 NZD
£30,296 GBP
View
14 more retailers have this diamond
Prices start from $35,183 NZDSave up to $33,085 NZD

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
$35,183 NZD