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Round|Natural|GIA

1.20ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1533924090

Certificate GIA 1533924090

Diamond specifications and retailer prices

From $2,640 SGD
As of November 6, 2026
Save $3,609 SGD (58%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,458 SGD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

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 1533924090. Listed at 20 retailers as of November 1, 2026, with a 137% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1533924090
Dimensions6.90 × 6.86 × 4.10 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cavity, Feather, Cloud, Indented Natural, Needle
Top View
6.90 mm6.86 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1533924090
Side View
Table 62.0%Crown 33.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 59.5%

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: $2,744 SGD|Low: $2,640 SGD|High: $7,388 SGD|Avg: $4,219 SGD|-5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12$2,640 SGD
Retailer 1$2,744 SGD
Retailer 8$3,162 SGD
Retailer 10$3,205 SGD
Retailer 4$3,304 SGD
Retailer 11$3,550 SGD
Retailer 5$3,654 SGD
Retailer 9$3,654 SGD
Retailer 6$3,671 SGD
Retailer 7$4,314 SGD
Retailer 2$6,249 SGD
Retailer 3$7,373 SGD

35 data points across 12 retailers

20 retailers$2,640 SGD to $6,249 SGD

A
Cheapest Retailer
-
$2,640 SGD
A
Retailer 2
-
$2,744 SGD
View
A
Retailer 3
-
$3,162 SGD
View
A
Retailer 4
-
$3,205 SGD
View
Final sale: no returns
A
Retailer 5
-
$3,304 SGD
View
A
Retailer 6
-
$3,358 SGD
View
B+
Retailer 7
-
$3,550 SGD
View
Retailer 8
-
$3,567 SGD
View
Price last confirmed 39 days ago
Retailer 9
-
$3,567 SGD
View
Price last confirmed 21 days ago
Retailer 10
-
$3,567 SGD
View
Price last confirmed 17 days ago
A
Retailer 11
-
$3,654 SGD
View
B+
Retailer 12
-
$3,654 SGD
View
B+
Retailer 13
-
$3,671 SGD
View
Retailer 14
-
$3,704 SGD
View
Price last confirmed 38 days ago
Retailer 15
-
$4,115 SGD
View
Price last confirmed 38 days ago
B+
Retailer 16
-
$4,314 SGD
View
B
Retailer 17
-
$6,249 SGD
View
Retailer 18
-
$7,373 SGD
View
Price last confirmed 9 days ago
Retailer 19
-
$7,458 SGD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
d9be7301-fc6b-489b-9c07-310e44e36e8d · Oct 17
$7,458 SGD
$5,819 USD
View
Price last confirmed 20 days ago
19 more retailers have this diamond
Prices start from $2,640 SGDSave up to $3,609 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
$2,640 SGD