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Radiant|Natural|GIA

2.51ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 1567577300

Certificate GIA 1567577300

Diamond specifications and retailer prices

From $33,032 NZD
HK$145,200 HKD
As of November 1, 2026
Save $27,361 NZD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $60,393 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 2.51ct natural radiant diamond

This 2.51ct natural radiant sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1567577300. Listed at 13 retailers as of November 1, 2026, with prices from $33,032 to $60,393, a $27,361 spread on the same certified stone. MOH London lists it at $60,393. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1567577300
Dimensions8.84 × 6.77 × 4.66 mm
L/W Ratio1.31
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal
Top View
8.84 mm6.77 mm2.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567577300
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.7%

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 1
Current: $60,393 NZD|Low: $33,032 NZD|High: $60,718 NZD|Avg: $43,280 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12$33,032 NZD
Retailer 2$33,883 NZD
Retailer 4$39,323 NZD
Retailer 6$40,906 NZD
Retailer 3$41,580 NZD
Retailer 5$44,490 NZD
Retailer 11$44,658 NZD
Retailer 9$44,818 NZD
Retailer 10$46,242 NZD
Retailer 7$48,021 NZD
Retailer 8$54,783 NZD
MOH London$60,393 NZD

12 data points across 12 retailers

13 retailers$33,032 NZD to $60,393 NZD

A
Cheapest Retailer
-
$33,032 NZD
HK$145,200 HKD
A
Retailer 2
-
$33,883 NZD
₹1,815,643 INR
View
B+
Retailer 3
-
$36,641 NZD
A$31,717 AUD
View
B+
Retailer 4
-
$39,323 NZD
$22,125 USD
View
B+
Retailer 5
-
$40,906 NZD
$23,016 USD
View
Final sale: no returns
B+
Retailer 6
-
$41,580 NZD
$23,395 USD
View
B+
Retailer 7
-
$44,490 NZD
£19,711 GBP
View
B
Retailer 8
-
$44,658 NZD
$25,127 USD
View
B+
Retailer 9
-
$44,818 NZD
$25,217 USD
View
B
Retailer 10
-
$46,242 NZD
$26,018 USD
View
B
Retailer 11
-
$48,021 NZD
$27,019 USD
View
B
Retailer 12
-
$54,783 NZD
$30,824 USD
View
Most Expensive
B
MOH London
ECDD29573 · Nov 2
$60,393 NZD
£26,756 GBP
View
12 more retailers have this diamond
Prices start from $33,032 NZDSave up to $27,361 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 Radiant
$33,032 NZD