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Oval|Natural|GIA

1.21ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 6525745455

Certificate GIA 6525745455

Diamond specifications and retailer prices

From $1,708 SGD
As of November 6, 2026
Save $3,885 SGD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,593 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural oval diamond

This 1.21ct 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 6525745455. Listed at 13 retailers as of November 5, 2026, with prices from $1,708 to $5,593, a $3,885 spread on the same certified stone. NZ Jewellers lists it at $5,593. 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

1.21
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6525745455
Dimensions8.30 × 5.93 × 3.73 mm
L/W Ratio1.40
Top View
8.30 mm5.93 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6525745455
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,593 SGD|Low: $1,708 SGD|High: $5,665 SGD|Avg: $2,726 SGD|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$1,708 SGD
Retailer 2$2,089 SGD
Retailer 8$2,116 SGD
Retailer 9$2,293 SGD
Retailer 11$2,430 SGD
Retailer 4$2,500 SGD
Retailer 10$2,579 SGD
Retailer 7$2,645 SGD
Retailer 6$3,114 SGD
Retailer 3$4,172 SGD
NZ Jewellers$5,593 SGD

35 data points across 11 retailers

13 retailers$1,708 SGD to $5,593 SGD

A
Cheapest Retailer
-
$1,708 SGD
A
Retailer 2
-
$2,089 SGD
View
A
Retailer 3
-
$2,116 SGD
View
Final sale: no returns
B+
Retailer 4
-
$2,293 SGD
View
Retailer 5
-
$2,381 SGD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$2,415 SGD
View
B+
Retailer 7
-
$2,430 SGD
View
B+
Retailer 8
-
$2,500 SGD
View
B+
Retailer 9
-
$2,579 SGD
View
B+
Retailer 10
-
$2,645 SGD
View
B+
Retailer 11
-
$3,114 SGD
View
B
Retailer 12
-
$4,172 SGD
View
Most Expensive
B
NZ Jewellers
84352271-cd86-493c-a63c-6ddf0a0e9676 · Nov 5
$5,593 SGD
$4,364 USD
View
12 more retailers have this diamond
Prices start from $1,708 SGDSave up to $3,885 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
1.21ct Oval
$1,708 SGD