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1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 3555882621

Certificate GIA 3555882621

Diamond specifications and retailer prices

From $2,820 SGD
As of November 5, 2026
Save $2,950 SGD (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,770 SGD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555882621. Listed at 10 retailers as of November 5, 2026, with prices from $2,820 to $5,770, a $2,950 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,770. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555882621
Dimensions6.87 × 6.91 × 4.13 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.87 mm6.91 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555882621
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $4,216 SGD|Low: $2,803 SGD|High: $6,510 SGD|Avg: $4,372 SGD|-10.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 5, 2026
Retailer 2$2,820 SGD
Retailer 4$3,462 SGD
Retailer 5$3,521 SGD
Retailer 8$3,833 SGD
Retailer 6$4,116 SGD
Retailer 1$4,216 SGD
Retailer 7$4,249 SGD
Retailer 3$4,410 SGD
Retailer 9$5,367 SGD
Wholesale Diamonds Direct$5,770 SGD

33 data points across 10 retailers

10 retailers$2,820 SGD to $5,770 SGD

A
Cheapest Retailer
-
$2,820 SGD
A
Retailer 2
-
$3,462 SGD
View
A
Retailer 3
-
$3,521 SGD
View
A
Retailer 4
-
$3,833 SGD
View
A
Retailer 5
-
$4,116 SGD
View
A
Retailer 6
-
$4,216 SGD
View
B+
Retailer 7
-
$4,249 SGD
View
B+
Retailer 8
-
$4,410 SGD
View
B+
Retailer 9
-
$5,367 SGD
View
Most Expensive
B+
Wholesale Diamonds Direct
610677879 · Nov 6
$5,770 SGD
$4,502 USD
View
9 more retailers have this diamond
Prices start from $2,820 SGDSave up to $2,950 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
$2,820 SGD