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Oval|Natural|GIA

1.51ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2245063367

Certificate GIA 2245063367

Diamond specifications and retailer prices

From $6,109 NZD
HK$26,900 HKD
As of November 1, 2026
Save $8,420 NZD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $14,530 NZD at NZ Jewellers · As of October 30, 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 2245063367. Listed at 9 retailers as of October 30, 2026, with prices from $6,109 to $14,530, a $8,420 spread on the same certified stone. NZ Jewellers lists it at $14,530. 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
Pavilion angle36.09°
OriginNatural
Grading LabGIA
CertificateGIA 2245063367
Dimensions8.97 × 6.23 × 4.03 mm
L/W Ratio1.44
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
8.97 mm6.23 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245063367
Side View
Table 59.0%CrownGirdle: STK-THKPavilion 36.09°Culet: NoneDepth 64.7%

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 1
Current: $14,530 NZD|Low: $6,064 NZD|High: $15,488 NZD|Avg: $9,617 NZD|-6.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$6,109 NZD
Retailer 6$7,351 NZD
Retailer 9$7,911 NZD
Retailer 3$8,024 NZD
Retailer 5$8,339 NZD
Retailer 8$8,478 NZD
Retailer 2$9,427 NZD
Retailer 4$13,284 NZD
NZ Jewellers$14,530 NZD

33 data points across 9 retailers

9 retailers$6,109 NZD to $14,530 NZD

A
Cheapest Retailer
-
$6,109 NZD
HK$26,900 HKD
B+
Retailer 2
-
$7,351 NZD
$4,143 USD
View
B+
Retailer 3
-
$7,911 NZD
SGD 6,025 SGD
View
B+
Retailer 4
-
$8,024 NZD
£3,561 GBP
View
B+
Retailer 5
-
$8,339 NZD
$4,700 USD
View
B+
Retailer 6
-
$8,478 NZD
$4,778 USD
View
B+
Retailer 7
-
$9,427 NZD
€5,060 EUR
View
B
Retailer 8
-
$13,284 NZD
£5,895 GBP
View
Most Expensive
B
NZ Jewellers
eb5d03ee-47f6-44f0-a5a7-9fd7c8999cc4 · Oct 30
$14,530 NZD
$8,189 USD
View
8 more retailers have this diamond
Prices start from $6,109 NZDSave up to $8,420 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
$6,109 NZD