Oval|Natural|GIA

1.51ct J SI1 Oval Natural Diamond

GD • J/SI1 • GIA 2536653789

Certificate GIA 2536653789

Diamond specifications and retailer prices

From $6,291 NZD
HK$27,700 HKD
As of November 1, 2026
Save $7,157 NZD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $15,479 NZD at NZ Jewellers · As of September 29, 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 2536653789. Listed at 19 retailers as of November 1, 2026, with a 114% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
J
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41.9°
OriginNatural
Grading LabGIA
CertificateGIA 2536653789
Dimensions8.78 × 6.35 × 4.15 mm
L/W Ratio1.38
Top View
8.78 mm6.35 mm1.51 ctJ / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2536653789
Side View
Table 63.0%CrownGirdle: STK-VTKPavilion 41.9°Culet: NoneDepth 65.4%

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 1
Current: $7,624 NZD|Low: $6,268 NZD|High: $14,284 NZD|Avg: $8,602 NZD|-0.5%
Retailer 1
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
Retailer 18
November 2, 2026
Retailer 15$6,291 NZD
Retailer 18$6,318 NZD
Retailer 8$6,592 NZD
Retailer 13$6,684 NZD
Retailer 5$7,031 NZD
Retailer 11$7,143 NZD
Retailer 7$7,301 NZD
Retailer 1$7,624 NZD
Retailer 14$7,647 NZD
Retailer 12$8,018 NZD
Retailer 4$8,142 NZD
Retailer 16$8,779 NZD
Retailer 10$8,957 NZD
Retailer 9$9,434 NZD
Retailer 3$9,565 NZD
Retailer 2$10,438 NZD
Retailer 6$13,014 NZD
Retailer 17$13,448 NZD

26 data points across 18 retailers

19 retailers$6,291 NZD to $13,448 NZD

A
Cheapest Retailer
-
$6,291 NZD
HK$27,700 HKD
A
Retailer 2
-
$6,318 NZD
$3,561 USD
View
Retailer 3
-
$6,592 NZD
$3,715 USD
View
Price last confirmed 14 days ago
B+
Retailer 4
-
$6,684 NZD
$3,767 USD
View
B+
Retailer 5
-
$7,031 NZD
$3,963 USD
View
B+
Retailer 6
-
$7,143 NZD
$4,026 USD
View
Final sale: no returns
B+
Retailer 7
-
$7,301 NZD
$4,115 USD
View
B+
Retailer 8
-
$7,624 NZD
$4,297 USD
View
B+
Retailer 9
-
$7,647 NZD
$4,310 USD
View
B+
Retailer 10
-
$8,018 NZD
£3,558 GBP
View
B+
Retailer 11
-
$8,142 NZD
$4,589 USD
View
B
Retailer 12
-
$8,779 NZD
$4,948 USD
View
Retailer 13
-
$8,957 NZD
A$7,766 AUD
View
Price last confirmed 23 days ago
B
Retailer 14
-
$9,434 NZD
SGD 7,185 SGD
View
B
Retailer 15
-
$9,565 NZD
€5,134 EUR
View
B
Retailer 16
-
$10,438 NZD
ZAR 95,042 ZAR
View
B
Retailer 17
-
$13,014 NZD
$7,335 USD
View
B
Retailer 18
-
$13,448 NZD
£5,968 GBP
View
Most Expensive
NZ Jewellers
f6b78bb8-c63d-4413-955f-f244919ba279 · Sep 29
$15,479 NZD
$8,724 USD
View
Price last confirmed 33 days ago
18 more retailers have this diamond
Prices start from $6,291 NZDSave up to $7,157 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
$6,291 NZD