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Radiant|Natural|GIA

1.51ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 6472510095

Certificate GIA 6472510095

Diamond specifications and retailer prices

From $4,611 NZD
As of November 5, 2026
Save $4,869 NZD (51%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,480 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 J 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 6472510095. Listed at 12 retailers as of November 4, 2026, with prices from $4,611 to $9,480, a $4,869 spread on the same certified stone. MOH London lists it at $9,480. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.6°
Pavilion angle60.4°
OriginNatural
Grading LabGIA
CertificateGIA 6472510095
Dimensions6.24 × 6.20 × 4.17 mm
L/W Ratio1.01
Top View
6.24 mm6.20 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6472510095
Side View
Table 65.0%Crown 48.6°Girdle: ThickPavilion 60.4°Culet: NoneDepth 67.3%

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 5
Current: $9,480 NZD|Low: $4,567 NZD|High: $10,121 NZD|Avg: $6,285 NZD|-5.2%
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 7, 2026
Retailer 8$4,611 NZD
Retailer 9$4,751 NZD
Retailer 7$5,042 NZD
Retailer 5$5,204 NZD
Retailer 3$5,329 NZD
Retailer 10$5,827 NZD
Retailer 12$5,827 NZD
Retailer 2$5,881 NZD
Retailer 11$6,025 NZD
Retailer 4$6,366 NZD
Retailer 6$6,936 NZD
MOH London$9,480 NZD

46 data points across 12 retailers

12 retailers$4,611 NZD to $9,480 NZD

A
Cheapest Retailer
-
$4,611 NZD
A
Retailer 2
-
$4,751 NZD
View
Final sale: no returns
A
Retailer 3
-
$5,042 NZD
View
A
Retailer 4
-
$5,204 NZD
View
Retailer 5
-
$5,329 NZD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$5,827 NZD
View
A
Retailer 7
-
$5,827 NZD
View
A
Retailer 8
-
$5,881 NZD
View
A
Retailer 9
-
$6,025 NZD
View
Retailer 10
-
$6,366 NZD
View
Price last confirmed 31 days ago
B+
Retailer 11
-
$6,936 NZD
View
Most Expensive
B
MOH London
E61DA6E62 · Nov 4
$9,480 NZD
£4,138 GBP
View
11 more retailers have this diamond
Prices start from $4,611 NZDSave up to $4,869 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
$4,611 NZD