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Oval|Natural|GIA

1.00ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 2546452228

Certificate GIA 2546452228

Diamond specifications and retailer prices

From $1,648 SGD
As of November 4, 2026
Save $1,599 SGD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,338 SGD at NZ Jewellers · As of October 20, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546452228. Listed at 15 retailers as of November 4, 2026, with a 97% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546452228
Dimensions7.81 × 5.50 × 3.57 mm
L/W Ratio1.42
Top View
7.81 mm5.50 mm1.00 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546452228
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.8%

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 4
Current: $4,338 SGD|Low: $1,648 SGD|High: $4,338 SGD|Avg: $2,269 SGD
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
November 6, 2026
Retailer 11$1,648 SGD
Retailer 5$1,761 SGD
Retailer 4$1,765 SGD
Retailer 13$1,769 SGD
Retailer 3$1,779 SGD
Retailer 6$1,779 SGD
Retailer 14$1,861 SGD
Retailer 9$1,962 SGD
Retailer 15$2,052 SGD
Retailer 10$2,170 SGD
Retailer 7$2,394 SGD
Retailer 8$2,463 SGD
Retailer 2$2,480 SGD
Retailer 12$3,248 SGD
NZ Jewellers$4,338 SGD

34 data points across 15 retailers

15 retailers$1,648 SGD to $3,248 SGD

A
Cheapest Retailer
-
$1,648 SGD
A
Retailer 2
-
$1,761 SGD
View
A
Retailer 3
-
$1,765 SGD
View
A
Retailer 4
-
$1,769 SGD
View
Retailer 5
-
$1,779 SGD
View
Price last confirmed 15 days ago
Retailer 6
-
$1,779 SGD
View
Price last confirmed 21 days ago
Retailer 7
-
$1,861 SGD
View
Price last confirmed 21 days ago
A
Retailer 8
-
$1,962 SGD
View
Retailer 9
-
$2,052 SGD
View
Price last confirmed 16 days ago
B+
Retailer 10
-
$2,170 SGD
View
Retailer 11
-
$2,394 SGD
View
Price last confirmed 32 days ago
B+
Retailer 12
-
$2,463 SGD
View
B+
Retailer 13
-
$2,480 SGD
View
B
Retailer 14
-
$3,248 SGD
View
Most Expensive
NZ Jewellers
4f8dc15f-9590-4322-b440-a2a64ea70adf · Oct 20
$4,338 SGD
$3,385 USD
View
Price last confirmed 16 days ago
14 more retailers have this diamond
Prices start from $1,648 SGDSave up to $1,599 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.

A
1.00ct Oval
$1,648 SGD