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Oval|Natural|GIA

1.20ct I SI1 Oval Natural Diamond

ID • I/SI1 • GIA 6541152972

Certificate GIA 6541152972

Diamond specifications and retailer prices

From $3,181 SGD
As of November 6, 2026
Save $4,010 SGD (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,191 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 6541152972. Listed at 25 retailers as of November 5, 2026, with prices from $3,181 to $7,191, a $4,010 spread on the same certified stone. NZ Jewellers lists it at $7,191. 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
FluorescenceNone
Crown angle41.43°
Pavilion angle35.92°
OriginNatural
Grading LabGIA
CertificateGIA 6541152972
Dimensions8.12 × 5.80 × 3.69 mm
L/W Ratio1.40
Top View
8.12 mm5.80 mm1.20 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541152972
Side View
Table 63.0%Crown 41.43°Girdle: THK-VTKPavilion 35.92°Culet: NoneDepth 63.7%

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: $3,181 SGD|Low: $3,181 SGD|High: $6,977 SGD|Avg: $4,394 SGD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$3,181 SGD
Retailer 8$3,199 SGD
Retailer 5$3,646 SGD
Retailer 9$3,970 SGD
Retailer 2$4,004 SGD
Retailer 3$4,245 SGD
Retailer 7$4,830 SGD
Retailer 4$5,038 SGD
Retailer 6$6,885 SGD

26 data points across 9 retailers

25 retailers$3,181 SGD to $7,191 SGD

A
Cheapest Retailer
-
$3,181 SGD
A
Retailer 2
-
$3,199 SGD
View
B+
Retailer 3
-
$3,524 SGD
View
B+
Retailer 4
-
$3,646 SGD
View
B+
Retailer 5
-
$3,664 SGD
View
B+
Retailer 6
-
$3,809 SGD
View
Final sale: no returns
B+
Retailer 7
-
$3,970 SGD
View
B+
Retailer 8
-
$3,999 SGD
View
B+
Retailer 9
-
$4,004 SGD
View
B+
Retailer 10
-
$4,092 SGD
View
B+
Retailer 11
-
$4,128 SGD
View
Retailer 12
-
$4,128 SGD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$4,245 SGD
View
B+
Retailer 14
-
$4,287 SGD
View
B+
Retailer 15
-
$4,311 SGD
View
Retailer 16
-
$4,425 SGD
View
Price last confirmed 33 days ago
B
Retailer 17
-
$4,438 SGD
View
B
Retailer 18
-
$4,447 SGD
View
B+
Retailer 19
-
$4,762 SGD
View
B+
Retailer 20
-
$4,830 SGD
View
B+
Retailer 21
-
$5,038 SGD
View
B
Retailer 22
-
$6,003 SGD
View
B
Retailer 23
-
$6,171 SGD
View
B
Retailer 24
-
$6,885 SGD
View
Most Expensive
B
NZ Jewellers
8faaa497-440b-47f0-80c3-a48d16237cf2 · Nov 5
$7,191 SGD
$5,611 USD
View
24 more retailers have this diamond
Prices start from $3,181 SGDSave up to $4,010 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
$3,181 SGD