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Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6432628844

Certificate GIA 6432628844

Diamond specifications and retailer prices

From $7,124 NZD
$4,015 USD
As of November 1, 2026
Save $7,956 NZD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $15,080 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round 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 and certified by GIA 6432628844. Listed at 16 retailers as of October 30, 2026, with prices from $7,124 to $15,080, a $7,956 spread on the same certified stone. NZ Jewellers lists it at $15,080. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6432628844
Dimensions7.34 × 7.30 × 4.58 mm
L/W Ratio1.01
Top View
7.34 mm7.30 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6432628844
Side View
Table 56.0%CrownGirdle: MED-SLIPavilionCulet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $15,080 NZD|Low: $7,124 NZD|High: $15,912 NZD|Avg: $9,954 NZD|-5.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 4$7,124 NZD
Retailer 3$7,276 NZD
Retailer 5$7,539 NZD
Retailer 6$7,603 NZD
Retailer 8$8,055 NZD
Retailer 17$8,111 NZD
Retailer 14$8,167 NZD
Retailer 15$8,167 NZD
Retailer 16$8,167 NZD
Retailer 10$8,834 NZD
Retailer 13$9,425 NZD
Retailer 12$10,159 NZD
Retailer 7$10,499 NZD
Retailer 9$11,578 NZD
Retailer 2$11,665 NZD
Retailer 11$14,361 NZD
NZ Jewellers$15,080 NZD

25 data points across 17 retailers

16 retailers$7,124 NZD to $15,080 NZD

B+
Cheapest Retailer
-
$7,124 NZD
$4,015 USD
B+
Retailer 2
-
$7,276 NZD
$4,101 USD
View
B+
Retailer 3
-
$7,539 NZD
$4,249 USD
View
Final sale: no returns
B+
Retailer 4
-
$7,603 NZD
$4,285 USD
View
B+
Retailer 5
-
$8,055 NZD
$4,540 USD
View
B+
Retailer 6
-
$8,111 NZD
$4,571 USD
View
B+
Retailer 7
-
$8,167 NZD
$4,603 USD
View
B+
Retailer 8
-
$8,167 NZD
$4,603 USD
View
B+
Retailer 9
-
$8,167 NZD
$4,603 USD
View
B+
Retailer 10
-
$8,834 NZD
£3,920 GBP
View
B
Retailer 11
-
$9,425 NZD
$5,312 USD
View
B+
Retailer 12
-
$10,159 NZD
€5,453 EUR
View
Retailer 13
-
$10,499 NZD
$5,917 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$11,665 NZD
£5,177 GBP
View
B
Retailer 15
-
$14,361 NZD
£6,373 GBP
View
Most Expensive
B
NZ Jewellers
03625e64-819b-4461-92f3-69210ba19a8f · Oct 30
$15,080 NZD
$8,499 USD
View
15 more retailers have this diamond
Prices start from $7,124 NZDSave up to $7,956 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.

B+
1.51ct Round
$7,124 NZD