CaratHunter
Plans
Radiant|Natural|GIA

1.51ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 1242037201

Certificate GIA 1242037201

Diamond specifications and retailer prices

From $6,003 NZD
As of November 6, 2026
Save $8,278 NZD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $14,281 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 J 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 1242037201. Listed at 7 retailers as of November 5, 2026, with prices from $6,003 to $14,281, a $8,278 spread on the same certified stone. NZ Jewellers lists it at $14,281. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle60.04°
OriginNatural
Grading LabGIA
CertificateGIA 1242037201
Dimensions7.91 × 5.61 × 3.92 mm
L/W Ratio1.41
Key to symbols
Crystal, Feather
Top View
7.91 mm5.61 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242037201
Side View
Table 64.0%CrownGirdle: MED-THKPavilion 60.04°Culet: NoneDepth 69.8%

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: $14,281 NZD|Low: $6,003 NZD|High: $15,716 NZD|Avg: $10,010 NZD|-7.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$6,003 NZD
Retailer 2$7,645 NZD
Retailer 4$8,197 NZD
Retailer 6$8,197 NZD
Retailer 7$8,967 NZD
Retailer 3$13,021 NZD
NZ Jewellers$14,281 NZD

29 data points across 7 retailers

7 retailers$6,003 NZD to $14,281 NZD

A
Cheapest Retailer
-
$6,003 NZD
B+
Retailer 2
-
$7,645 NZD
View
B+
Retailer 3
-
$8,197 NZD
View
B+
Retailer 4
-
$8,197 NZD
View
B
Retailer 5
-
$8,967 NZD
View
B
Retailer 6
-
$13,021 NZD
View
Most Expensive
B
NZ Jewellers
b561fd30-666a-4a5e-9951-9cf2b429056d · Nov 5
$14,281 NZD
$7,917 USD
View
6 more retailers have this diamond
Prices start from $6,003 NZDSave up to $8,278 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
$6,003 NZD