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Round|Natural|GIA

2.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1555877286

Certificate GIA 1555877286

Diamond specifications and retailer prices

From $32,425 NZD
₹1,737,515 INR
As of November 2, 2026
Save $25,788 NZD (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $58,212 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 1555877286. Listed at 16 retailers as of November 1, 2026, with prices from $32,425 to $58,212, a $25,788 spread on the same certified stone. MOH London lists it at $58,212. 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 angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1555877286
Dimensions8.65 × 8.60 × 5.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural
Top View
8.65 mm8.60 mm2.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555877286
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: Nov 2
Current: $58,212 NZD|Low: $32,425 NZD|High: $60,433 NZD|Avg: $43,531 NZD|-3.7%
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
Retailer 16
November 2, 2026
Retailer 9$32,425 NZD
Retailer 12$35,996 NZD
Retailer 13$37,543 NZD
Retailer 4$37,823 NZD
Retailer 5$38,025 NZD
Retailer 16$40,789 NZD
Retailer 7$41,143 NZD
Retailer 11$42,592 NZD
Retailer 2$42,906 NZD
Retailer 14$43,120 NZD
Retailer 8$43,199 NZD
Retailer 3$44,267 NZD
Retailer 15$45,450 NZD
Retailer 10$45,970 NZD
Retailer 6$52,804 NZD
MOH London$58,212 NZD

19 data points across 16 retailers

16 retailers$32,425 NZD to $58,212 NZD

A
Cheapest Retailer
-
$32,425 NZD
₹1,737,515 INR
A
Retailer 2
-
$35,996 NZD
$20,253 USD
View
Final sale: no returns
A
Retailer 3
-
$37,543 NZD
£16,633 GBP
View
A
Retailer 4
-
$37,823 NZD
$21,281 USD
View
A
Retailer 5
-
$38,025 NZD
$21,395 USD
View
A
Retailer 6
-
$40,789 NZD
$22,950 USD
View
B+
Retailer 7
-
$41,143 NZD
$23,149 USD
View
B+
Retailer 8
-
$42,592 NZD
£18,869 GBP
View
B+
Retailer 9
-
$42,906 NZD
$24,141 USD
View
B+
Retailer 10
-
$43,120 NZD
€23,106 EUR
View
B+
Retailer 11
-
$43,199 NZD
$24,306 USD
View
B+
Retailer 12
-
$44,267 NZD
$24,907 USD
View
B+
Retailer 13
-
$45,450 NZD
$25,572 USD
View
B+
Retailer 14
-
$45,970 NZD
$25,865 USD
View
B+
Retailer 15
-
$52,804 NZD
$29,710 USD
View
Most Expensive
B+
MOH London
479FC1984 · Nov 1
$58,212 NZD
£25,790 GBP
View
15 more retailers have this diamond
Prices start from $32,425 NZDSave up to $25,788 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
$32,425 NZD