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Round|Natural|GIA

1.20ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1216036283

Certificate GIA 1216036283

Diamond specifications and retailer prices

From $3,746 SGD
As of November 6, 2026
Save $6,267 SGD (63%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,013 SGD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1216036283. Listed at 18 retailers as of November 5, 2026, with prices from $3,746 to $10,013, a $6,267 spread on the same certified stone. Diamond Quarter lists it at $10,013. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1216036283
Dimensions6.77 × 6.73 × 4.24 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Top View
6.77 mm6.73 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1216036283
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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: $4,282 SGD|Low: $3,246 SGD|High: $7,882 SGD|Avg: $4,724 SGD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$3,746 SGD
Retailer 6$3,794 SGD
Retailer 9$3,896 SGD
Retailer 8$4,219 SGD
Retailer 10$4,219 SGD
Retailer 2$4,238 SGD
Retailer 1$4,282 SGD
Retailer 7$4,382 SGD
Retailer 3$4,869 SGD
Retailer 4$5,417 SGD
Retailer 5$7,768 SGD

42 data points across 11 retailers

18 retailers$3,746 SGD to $10,013 SGD

A
Cheapest Retailer
-
$3,746 SGD
A
Retailer 2
-
$3,794 SGD
View
B+
Retailer 3
-
$3,896 SGD
View
Final sale: no returns
B+
Retailer 4
-
$3,952 SGD
View
Retailer 5
-
$4,219 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,219 SGD
View
B+
Retailer 7
-
$4,238 SGD
View
B+
Retailer 8
-
$4,282 SGD
View
B+
Retailer 9
-
$4,382 SGD
View
B+
Retailer 10
-
$4,588 SGD
View
B+
Retailer 11
-
$4,588 SGD
View
B+
Retailer 12
-
$4,742 SGD
View
B
Retailer 13
-
$4,869 SGD
View
Retailer 14
-
$5,275 SGD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
$5,417 SGD
View
B
Retailer 16
-
$7,768 SGD
View
B
Retailer 17
-
$8,115 SGD
View
Most Expensive
B
Diamond Quarter
1.2SI2H1283D34AN · Nov 5
$10,013 SGD
£6,152 GBP
View
17 more retailers have this diamond
Prices start from $3,746 SGDSave up to $6,267 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 Round
$3,746 SGD