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Oval|Natural|GIA

1.20ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 6471585558

Certificate GIA 6471585558

Diamond specifications and retailer prices

From $4,087 SGD
As of November 4, 2026
Save $5,695 SGD (58%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $9,782 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 6471585558. Listed at 25 retailers as of November 4, 2026, with prices from $4,087 to $9,782, a $5,695 spread on the same certified stone. NZ Jewellers lists it at $9,782. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.66°
Pavilion angle35.48°
OriginNatural
Grading LabGIA
CertificateGIA 6471585558
Dimensions8.13 × 5.91 × 3.72 mm
L/W Ratio1.38
Top View
8.13 mm5.91 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6471585558
Side View
Table 56.0%Crown 38.66°Girdle: MED-THKPavilion 35.48°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,654 SGD|Low: $4,313 SGD|High: $9,051 SGD|Avg: $5,910 SGD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 7$4,313 SGD
Retailer 10$4,696 SGD
Retailer 2$5,087 SGD
Retailer 5$5,412 SGD
Retailer 13$5,543 SGD
Retailer 1$5,654 SGD
Retailer 4$5,742 SGD
Retailer 12$5,742 SGD
Retailer 3$5,768 SGD
Retailer 11$5,989 SGD
Retailer 8$6,353 SGD
Retailer 6$6,850 SGD
Retailer 9$8,943 SGD

43 data points across 13 retailers

25 retailers$4,087 SGD to $9,782 SGD

B+
Cheapest Retailer
-
$4,087 SGD
B+
Retailer 2
-
$4,245 SGD
View
B+
Retailer 3
-
$4,313 SGD
View
B+
Retailer 4
-
$4,424 SGD
View
B+
Retailer 5
-
$4,477 SGD
View
Retailer 6
-
$4,562 SGD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$4,696 SGD
View
Final sale: no returns
B+
Retailer 8
-
$4,851 SGD
View
B
Retailer 9
-
$5,075 SGD
View
B
Retailer 10
-
$5,087 SGD
View
Retailer 11
-
$5,087 SGD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$5,087 SGD
View
B
Retailer 13
-
$5,412 SGD
View
B
Retailer 14
-
$5,654 SGD
View
B
Retailer 15
-
$5,742 SGD
View
B
Retailer 16
-
$5,742 SGD
View
B
Retailer 17
-
$5,768 SGD
View
B
Retailer 18
-
$5,870 SGD
View
B
Retailer 19
-
$5,913 SGD
View
B
Retailer 20
-
$5,934 SGD
View
Retailer 21
-
$5,989 SGD
View
Price last confirmed 28 days ago
B
Retailer 22
-
$6,353 SGD
View
B
Retailer 23
-
$6,850 SGD
View
B
Retailer 24
-
$8,943 SGD
View
Most Expensive
B
NZ Jewellers
cea4c828-6781-4416-aa86-39bf35e45881 · Nov 5
$9,782 SGD
$7,633 USD
View
24 more retailers have this diamond
Prices start from $4,087 SGDSave up to $5,695 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
$4,087 SGD