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Radiant|Natural|GIA

1.51ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 2527321233

Certificate GIA 2527321233

Diamond specifications and retailer prices

From $6,756 NZD
As of November 5, 2026
Save $6,706 NZD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $13,462 NZD at MOH London · As of November 4, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2527321233. Listed at 15 retailers as of November 4, 2026, with prices from $6,756 to $13,462, a $6,706 spread on the same certified stone. MOH London lists it at $13,462. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2527321233
Dimensions6.17 × 6.13 × 4.22 mm
L/W Ratio1.01
Top View
6.17 mm6.13 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527321233
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $13,462 NZD|Low: $5,848 NZD|High: $13,661 NZD|Avg: $8,779 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 9$6,756 NZD
Retailer 3$6,759 NZD
Retailer 8$7,019 NZD
Retailer 11$7,677 NZD
Retailer 6$8,127 NZD
Retailer 2$8,343 NZD
Retailer 10$8,541 NZD
Retailer 4$8,996 NZD
Retailer 7$9,070 NZD
Retailer 5$10,340 NZD
MOH London$13,462 NZD

44 data points across 11 retailers

15 retailers$6,756 NZD to $13,462 NZD

A
Cheapest Retailer
-
$6,756 NZD
A
Retailer 2
-
$6,759 NZD
View
A
Retailer 3
-
$7,019 NZD
View
Final sale: no returns
A
Retailer 4
-
$7,288 NZD
View
A
Retailer 5
-
$7,641 NZD
View
Retailer 6
-
$7,677 NZD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$7,935 NZD
View
A
Retailer 8
-
$8,127 NZD
View
A
Retailer 9
-
$8,343 NZD
View
Retailer 10
-
$8,541 NZD
View
Price last confirmed 29 days ago
Retailer 11
-
$8,893 NZD
View
Price last confirmed 12 days ago
A
Retailer 12
-
$8,996 NZD
View
A
Retailer 13
-
$9,070 NZD
View
B+
Retailer 14
-
$10,340 NZD
View
Most Expensive
B
MOH London
6C9A6D878 · Nov 4
$13,462 NZD
£5,876 GBP
View
14 more retailers have this diamond
Prices start from $6,756 NZDSave up to $6,706 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
$6,756 NZD