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Oval|Natural|GIA

1.00ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 2437621276

Certificate GIA 2437621276

Diamond specifications and retailer prices

From $2,685 SGD
As of November 6, 2026
Save $4,175 SGD (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,860 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct 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 2437621276. Listed at 18 retailers as of November 5, 2026, with prices from $2,685 to $6,860, a $4,175 spread on the same certified stone. NZ Jewellers lists it at $6,860. 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

1.00
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2437621276
Dimensions8.15 × 5.41 × 3.38 mm
L/W Ratio1.51
Top View
8.15 mm5.41 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2437621276
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: 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 6
Current: $6,860 SGD|Low: $2,755 SGD|High: $6,860 SGD|Avg: $3,834 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$2,755 SGD
Retailer 10$2,973 SGD
Retailer 4$3,081 SGD
Retailer 7$3,108 SGD
Retailer 8$3,110 SGD
Retailer 2$3,269 SGD
Retailer 9$3,430 SGD
Retailer 3$4,075 SGD
Retailer 5$5,734 SGD
NZ Jewellers$6,860 SGD

39 data points across 10 retailers

18 retailers$2,685 SGD to $6,860 SGD

B+
Cheapest Retailer
-
$2,685 SGD
B+
Retailer 2
-
$2,755 SGD
View
B
Retailer 3
-
$2,868 SGD
View
Retailer 4
-
$2,973 SGD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$2,973 SGD
View
B
Retailer 6
-
$3,036 SGD
View
B
Retailer 7
-
$3,050 SGD
View
B+
Retailer 8
-
$3,081 SGD
View
B
Retailer 9
-
$3,108 SGD
View
B
Retailer 10
-
$3,110 SGD
View
B
Retailer 11
-
$3,269 SGD
View
B
Retailer 12
-
$3,281 SGD
View
B
Retailer 13
-
$3,281 SGD
View
B
Retailer 14
-
$3,396 SGD
View
B
Retailer 15
-
$3,430 SGD
View
B
Retailer 16
-
$4,075 SGD
View
B
Retailer 17
-
$5,734 SGD
View
Most Expensive
C
NZ Jewellers
4e2cce91-0ccf-457e-ba67-07088b2a64f5 · Nov 5
$6,860 SGD
$5,353 USD
View
17 more retailers have this diamond
Prices start from $2,685 SGDSave up to $4,175 SGD

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+
1.00ct Oval
$2,685 SGD