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Oval|Natural|GIA

1.20ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 2517859105

Certificate GIA 2517859105

Diamond specifications and retailer prices

From $4,095 SGD
As of November 6, 2026
Save $4,777 SGD (54%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,871 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural oval diamond

This 1.2ct 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 2517859105. Listed at 21 retailers as of November 5, 2026, with prices from $4,095 to $8,871, a $4,777 spread on the same certified stone. NZ Jewellers lists it at $8,871. 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

1.20
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2517859105
Dimensions8.50 × 5.91 × 3.73 mm
L/W Ratio1.44
Top View
8.50 mm5.91 mm1.20 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2517859105
Side View
Table 57.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,730 SGD|Low: $4,257 SGD|High: $8,617 SGD|Avg: $5,751 SGD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$4,257 SGD
Retailer 7$4,434 SGD
Retailer 2$4,706 SGD
Retailer 6$5,454 SGD
Retailer 1$5,730 SGD
Retailer 3$6,216 SGD
Retailer 4$8,515 SGD

45 data points across 7 retailers

21 retailers$4,095 SGD to $8,871 SGD

B
Cheapest Retailer
-
$4,095 SGD
B
Retailer 2
-
$4,257 SGD
View
Final sale: no returns
B
Retailer 3
-
$4,333 SGD
View
B
Retailer 4
-
$4,336 SGD
View
B
Retailer 5
-
$4,434 SGD
View
B
Retailer 6
-
$4,614 SGD
View
Retailer 7
-
$4,614 SGD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$4,618 SGD
View
B
Retailer 9
-
$4,706 SGD
View
B
Retailer 10
-
$4,791 SGD
View
B
Retailer 11
-
$5,024 SGD
View
B
Retailer 12
-
$5,024 SGD
View
B
Retailer 13
-
$5,190 SGD
View
B
Retailer 14
-
$5,231 SGD
View
B
Retailer 15
-
$5,322 SGD
View
B
Retailer 16
-
$5,451 SGD
View
Retailer 17
-
$5,454 SGD
View
Price last confirmed 29 days ago
B
Retailer 18
-
$5,730 SGD
View
B
Retailer 19
-
$6,216 SGD
View
B
Retailer 20
-
$8,515 SGD
View
Most Expensive
B
NZ Jewellers
94f23248-e435-4f68-8375-fba0ae641fd8 · Nov 5
$8,871 SGD
$6,922 USD
View
20 more retailers have this diamond
Prices start from $4,095 SGDSave up to $4,777 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
1.20ct Oval
$4,095 SGD