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Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1555796892

Certificate GIA 1555796892

Diamond specifications and retailer prices

From $27,162 NZD
HK$119,600 HKD
As of October 30, 2026
Save $20,965 NZD (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $48,127 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555796892. Listed at 15 retailers as of October 30, 2026, with prices from $27,162 to $48,127, a $20,965 spread on the same certified stone. MOH London lists it at $48,127. 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

2.50
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555796892
Dimensions8.57 × 8.61 × 5.39 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
8.57 mm8.61 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555796892
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°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: Oct 30
Current: $48,127 NZD|Low: $27,162 NZD|High: $51,093 NZD|Avg: $34,969 NZD|-5.8%
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 6$27,162 NZD
Retailer 4$29,003 NZD
Retailer 5$29,134 NZD
Retailer 10$29,530 NZD
Retailer 2$29,790 NZD
Retailer 11$29,841 NZD
Retailer 14$30,259 NZD
Retailer 7$30,891 NZD
Retailer 9$31,560 NZD
Retailer 13$34,194 NZD
Retailer 8$37,901 NZD
Retailer 12$37,912 NZD
Retailer 3$39,208 NZD
Retailer 15$44,265 NZD
MOH London$48,127 NZD

24 data points across 15 retailers

15 retailers$27,162 NZD to $48,127 NZD

A
Cheapest Retailer
-
$27,162 NZD
HK$119,600 HKD
A
Retailer 2
-
$29,003 NZD
$16,346 USD
View
A
Retailer 3
-
$29,134 NZD
$16,420 USD
View
A
Retailer 4
-
$29,530 NZD
$16,643 USD
View
Final sale: no returns
A
Retailer 5
-
$29,790 NZD
$16,790 USD
View
A
Retailer 6
-
$29,841 NZD
₹1,601,775 INR
View
A
Retailer 7
-
$30,259 NZD
$17,054 USD
View
A
Retailer 8
-
$30,891 NZD
$17,410 USD
View
A
Retailer 9
-
$31,560 NZD
£14,006 GBP
View
B+
Retailer 10
-
$34,194 NZD
$19,272 USD
View
B+
Retailer 11
-
$37,901 NZD
£16,820 GBP
View
B+
Retailer 12
-
$37,912 NZD
€20,350 EUR
View
B+
Retailer 13
-
$39,208 NZD
$22,098 USD
View
B
Retailer 14
-
$44,265 NZD
$24,948 USD
View
Most Expensive
B
MOH London
A38ADCC24 · Nov 1
$48,127 NZD
£21,358 GBP
View
14 more retailers have this diamond
Prices start from $27,162 NZDSave up to $20,965 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
2.50ct Round
$27,162 NZD