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Oval|Natural|GIA

1.02ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 2564414268

Certificate GIA 2564414268

Diamond specifications and retailer prices

From $2,590 NZD
$1,460 USD
As of October 31, 2026
Save $2,250 NZD (46%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,840 NZD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.02ct natural oval diamond

This 1.02ct natural oval sits in the classic one-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 2564414268. Listed at 13 retailers as of October 31, 2026, with prices from $2,590 to $4,840, a $2,250 spread on the same certified stone. Helzberg Diamonds lists it at $4,840. 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

1.02
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.66°
Pavilion angle40.98°
OriginNatural
Grading LabGIA
CertificateGIA 2564414268
Dimensions7.95 × 5.70 × 3.56 mm
L/W Ratio1.39
Culet sizeNone
Top View
7.95 mm5.70 mm1.02 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564414268
Side View
Table 59.0%Crown 37.66°Girdle: MED-THKPavilion 40.98°Culet: NoneDepth 62.5%

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: Oct 31
Current: $4,840 NZD|Low: $2,590 NZD|High: $4,840 NZD|Avg: $3,215 NZD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 3$2,590 NZD
Retailer 5$2,688 NZD
Retailer 11$2,700 NZD
Retailer 8$2,701 NZD
Retailer 2$2,768 NZD
Retailer 13$2,942 NZD
Retailer 7$3,026 NZD
Retailer 9$3,259 NZD
Retailer 6$3,387 NZD
Retailer 12$3,615 NZD
Retailer 10$3,793 NZD
Retailer 4$4,479 NZD
Helzberg Diamonds$4,840 NZD

35 data points across 13 retailers

13 retailers$2,590 NZD to $4,840 NZD

A
Cheapest Retailer
-
$2,590 NZD
$1,460 USD
A
Retailer 2
-
$2,688 NZD
SGD 2,047 SGD
View
A
Retailer 3
-
$2,700 NZD
$1,522 USD
View
A
Retailer 4
-
$2,701 NZD
$1,522 USD
View
A
Retailer 5
-
$2,768 NZD
$1,560 USD
View
B+
Retailer 6
-
$2,942 NZD
SGD 2,241 SGD
View
B+
Retailer 7
-
$3,026 NZD
£1,343 GBP
View
B+
Retailer 8
-
$3,259 NZD
$1,837 USD
View
B+
Retailer 9
-
$3,387 NZD
$1,909 USD
View
B+
Retailer 10
-
$3,615 NZD
$2,037 USD
View
B+
Retailer 11
-
$3,793 NZD
€2,036 EUR
View
B
Retailer 12
-
$4,479 NZD
$2,525 USD
View
Most Expensive
B
Helzberg Diamonds
XZRILMKKHKIMO · Nov 1
$4,840 NZD
$2,728 USD
View
12 more retailers have this diamond
Prices start from $2,590 NZDSave up to $2,250 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
1.02ct Oval
$2,590 NZD