CaratHunter
Plans
Oval|Natural|GIA

1.51ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 1569500791

Certificate GIA 1569500791

Diamond specifications and retailer prices

From $4,802 NZD
As of November 6, 2026
Save $6,676 NZD (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,478 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval 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 1569500791. Listed at 16 retailers as of November 5, 2026, with prices from $4,802 to $11,478, a $6,676 spread on the same certified stone. NZ Jewellers lists it at $11,478. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1569500791
Dimensions8.89 × 6.34 × 4.03 mm
L/W Ratio1.40
Girdle conditionFaceted
Top View
8.89 mm6.34 mm1.51 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1569500791
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.7%

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: $11,478 NZD|Low: $4,687 NZD|High: $12,175 NZD|Avg: $7,315 NZD|-5.7%
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
November 6, 2026
Retailer 3$4,802 NZD
Retailer 8$5,132 NZD
Retailer 7$5,872 NZD
Retailer 16$5,958 NZD
Retailer 5$6,081 NZD
Retailer 12$6,193 NZD
Retailer 10$6,305 NZD
Retailer 14$6,454 NZD
Retailer 11$6,685 NZD
Retailer 2$7,131 NZD
Retailer 6$7,270 NZD
Retailer 4$7,710 NZD
Retailer 13$8,042 NZD
Retailer 9$10,138 NZD
Retailer 15$10,989 NZD
NZ Jewellers$11,478 NZD

22 data points across 16 retailers

16 retailers$4,802 NZD to $11,478 NZD

A
Cheapest Retailer
-
$4,802 NZD
A
Retailer 2
-
$5,132 NZD
View
A
Retailer 3
-
$5,872 NZD
View
A
Retailer 4
-
$5,958 NZD
View
A
Retailer 5
-
$6,081 NZD
View
Final sale: no returns
A
Retailer 6
-
$6,193 NZD
View
A
Retailer 7
-
$6,305 NZD
View
A
Retailer 8
-
$6,454 NZD
View
A
Retailer 9
-
$6,685 NZD
View
B+
Retailer 10
-
$7,131 NZD
View
B+
Retailer 11
-
$7,270 NZD
View
B+
Retailer 12
-
$7,710 NZD
View
B+
Retailer 13
-
$8,042 NZD
View
B+
Retailer 14
-
$10,138 NZD
View
B
Retailer 15
-
$10,989 NZD
View
Most Expensive
B
NZ Jewellers
176928f9-5f78-4821-9886-4893f2b51c6c · Nov 5
$11,478 NZD
$6,363 USD
View
15 more retailers have this diamond
Prices start from $4,802 NZDSave up to $6,676 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 Oval
$4,802 NZD