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Oval|Natural|GIA

1.20ct I SI1 Oval Natural Diamond

ID • I/SI1 • GIA 6521715530

Certificate GIA 6521715530

Diamond specifications and retailer prices

From $3,067 SGD
As of November 6, 2026
Save $3,891 SGD (56%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,958 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 I 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 6521715530. Listed at 21 retailers as of November 5, 2026, with prices from $3,067 to $6,958, a $3,891 spread on the same certified stone. NZ Jewellers lists it at $6,958. 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
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6521715530
Dimensions8.25 × 5.99 × 3.75 mm
L/W Ratio1.38
Top View
8.25 mm5.99 mm1.20 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6521715530
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.6%

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 6
Current: $6,958 SGD|Low: $3,067 SGD|High: $7,081 SGD|Avg: $4,528 SGD|-1.7%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 8$3,067 SGD
Retailer 2$3,187 SGD
Retailer 6$3,660 SGD
Retailer 17$3,678 SGD
Retailer 10$3,686 SGD
Retailer 19$3,845 SGD
Retailer 13$3,874 SGD
Retailer 5$3,993 SGD
Retailer 11$4,064 SGD
Retailer 15$4,108 SGD
Retailer 20$4,147 SGD
Retailer 4$4,177 SGD
Retailer 14$4,273 SGD
Retailer 7$4,319 SGD
Retailer 9$4,609 SGD
Retailer 3$4,674 SGD
Retailer 12$4,682 SGD
Retailer 16$4,874 SGD
Retailer 18$6,662 SGD
NZ Jewellers$6,958 SGD

22 data points across 20 retailers

21 retailers$3,067 SGD to $6,958 SGD

A
Cheapest Retailer
-
$3,067 SGD
A
Retailer 2
-
$3,187 SGD
View
B+
Retailer 3
-
$3,660 SGD
View
B+
Retailer 4
-
$3,678 SGD
View
B+
Retailer 5
-
$3,686 SGD
View
Final sale: no returns
B+
Retailer 6
-
$3,845 SGD
View
B+
Retailer 7
-
$3,872 SGD
View
B+
Retailer 8
-
$3,874 SGD
View
B+
Retailer 9
-
$3,993 SGD
View
Retailer 10
-
$4,064 SGD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
$4,108 SGD
View
B+
Retailer 12
-
$4,147 SGD
View
B+
Retailer 13
-
$4,177 SGD
View
B+
Retailer 14
-
$4,273 SGD
View
B+
Retailer 15
-
$4,319 SGD
View
Retailer 16
-
$4,395 SGD
View
Price last confirmed 33 days ago
B+
Retailer 17
-
$4,609 SGD
View
B+
Retailer 18
-
$4,674 SGD
View
B+
Retailer 19
-
$4,874 SGD
View
B
Retailer 20
-
$6,662 SGD
View
Most Expensive
B
NZ Jewellers
4acfd102-0c1c-4864-8d6f-9646c81ca9b4 · Nov 5
$6,958 SGD
$5,429 USD
View
20 more retailers have this diamond
Prices start from $3,067 SGDSave up to $3,891 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
1.20ct Oval
$3,067 SGD