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Round|Natural|GIA

1.20ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1455782797

Certificate GIA 1455782797

Diamond specifications and retailer prices

From $2,837 SGD
As of November 6, 2026
Save $5,597 SGD (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,435 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 1455782797. Listed at 18 retailers as of November 5, 2026, with prices from $2,837 to $8,435, a $5,597 spread on the same certified stone. Diamond Quarter lists it at $8,435. 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
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1455782797
Dimensions6.79 × 6.74 × 4.22 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cavity, Indented Natural, Natural
Top View
6.79 mm6.74 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1455782797
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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: $3,544 SGD|Low: $2,821 SGD|High: $7,964 SGD|Avg: $4,136 SGD|-7.7%
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
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 12$2,837 SGD
Retailer 16$3,034 SGD
Retailer 6$3,185 SGD
Retailer 3$3,451 SGD
Retailer 14$3,451 SGD
Retailer 1$3,544 SGD
Retailer 5$3,583 SGD
Retailer 2$3,947 SGD
Retailer 7$3,947 SGD
Retailer 4$3,982 SGD
Retailer 9$4,009 SGD
Retailer 13$4,075 SGD
Retailer 10$4,298 SGD
Retailer 8$4,423 SGD
Retailer 11$6,370 SGD
Retailer 15$7,964 SGD

40 data points across 16 retailers

18 retailers$2,837 SGD to $8,435 SGD

A
Cheapest Retailer
-
$2,837 SGD
A
Retailer 2
-
$3,034 SGD
View
A
Retailer 3
-
$3,185 SGD
View
Final sale: no returns
Retailer 4
-
$3,451 SGD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$3,451 SGD
View
A
Retailer 6
-
$3,544 SGD
View
B+
Retailer 7
-
$3,583 SGD
View
Retailer 8
-
$3,865 SGD
View
Price last confirmed 109 days ago
B+
Retailer 9
-
$3,947 SGD
View
B+
Retailer 10
-
$3,947 SGD
View
B+
Retailer 11
-
$3,981 SGD
View
B+
Retailer 12
-
$3,982 SGD
View
B+
Retailer 13
-
$4,009 SGD
View
B+
Retailer 14
-
$4,075 SGD
View
B+
Retailer 15
-
$4,298 SGD
View
B
Retailer 16
-
$6,370 SGD
View
B
Retailer 17
-
$7,964 SGD
View
Most Expensive
B
Diamond Quarter
1.2SI2H14978F16N · Nov 5
$8,435 SGD
£5,182 GBP
View
17 more retailers have this diamond
Prices start from $2,837 SGDSave up to $5,597 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
$2,837 SGD