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Radiant|Natural|GIA

1.51ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1555953779

Certificate GIA 1555953779

Diamond specifications and retailer prices

From $8,756 NZD
As of November 6, 2026
Save $10,477 NZD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $19,233 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555953779. Listed at 19 retailers as of November 5, 2026, with prices from $8,756 to $19,233, a $10,477 spread on the same certified stone. NZ Jewellers lists it at $19,233. 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

1.51
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1555953779
Dimensions7.67 × 5.51 × 3.84 mm
L/W Ratio1.39
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Cavity, Feather, Needle
Top View
7.67 mm5.51 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555953779
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.7%

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 6
Current: $19,233 NZD|Low: $8,814 NZD|High: $19,233 NZD|Avg: $12,098 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 11$9,615 NZD
Retailer 7$10,228 NZD
Retailer 9$10,418 NZD
Retailer 10$10,418 NZD
Retailer 2$11,027 NZD
Retailer 4$11,080 NZD
Retailer 3$11,725 NZD
Retailer 8$12,021 NZD
Retailer 5$12,492 NZD
Retailer 6$16,895 NZD
NZ Jewellers$19,233 NZD

33 data points across 11 retailers

19 retailers$8,756 NZD to $19,233 NZD

A
Cheapest Retailer
-
$8,756 NZD
A
Retailer 2
-
$9,175 NZD
View
A
Retailer 3
-
$9,615 NZD
View
Final sale: no returns
A
Retailer 4
-
$9,792 NZD
View
B+
Retailer 5
-
$10,228 NZD
View
B+
Retailer 6
-
$10,418 NZD
View
B+
Retailer 7
-
$10,418 NZD
View
B+
Retailer 8
-
$10,984 NZD
View
B+
Retailer 9
-
$11,027 NZD
View
B+
Retailer 10
-
$11,080 NZD
View
B+
Retailer 11
-
$11,090 NZD
View
B+
Retailer 12
-
$11,725 NZD
View
B+
Retailer 13
-
$11,725 NZD
View
B+
Retailer 14
-
$12,021 NZD
View
B+
Retailer 15
-
$12,122 NZD
View
B+
Retailer 16
-
$12,492 NZD
View
B
Retailer 17
-
$16,827 NZD
View
B
Retailer 18
-
$16,895 NZD
View
Most Expensive
B
NZ Jewellers
9ac07ea6-12d9-46ef-8643-3550185b7877 · Nov 5
$19,233 NZD
$10,662 USD
View
18 more retailers have this diamond
Prices start from $8,756 NZDSave up to $10,477 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
1.51ct Radiant
$8,756 NZD