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Round|Natural|GIA

1.20ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6545460107

Certificate GIA 6545460107

Diamond specifications and retailer prices

From $3,159 SGD
HK$19,300 HKD
As of November 1, 2026
Save $4,677 SGD (60%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,837 SGD at Queensmith · As of October 28, 2026
View at Queensmith

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545460107. Listed at 18 retailers as of October 28, 2026, with prices from $3,159 to $7,837, a $4,677 spread on the same certified stone. Queensmith lists it at $7,837. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6545460107
Dimensions6.85 × 6.82 × 4.22 mm
L/W Ratio1.00
Top View
6.85 mm6.82 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545460107
Side View
Table 55.0%Crown 32°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 61.8%

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 1
Current: $7,837 SGD|Low: $3,127 SGD|High: $7,861 SGD|Avg: $4,724 SGD|+2.4%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$3,159 SGD
Retailer 2$3,295 SGD
Retailer 7$3,787 SGD
Retailer 9$3,826 SGD
Retailer 8$3,935 SGD
Retailer 3$4,269 SGD
Retailer 4$4,830 SGD
Retailer 5$6,932 SGD
Queensmith$7,837 SGD

35 data points across 9 retailers

18 retailers$3,159 SGD to $7,837 SGD

A
Cheapest Retailer
-
$3,159 SGD
HK$19,300 HKD
A
Retailer 2
-
$3,295 SGD
₹245,396 INR
View
A
Retailer 3
-
$3,787 SGD
$2,961 USD
View
A
Retailer 4
-
$3,826 SGD
$2,992 USD
View
Final sale: no returns
A
Retailer 5
-
$3,874 SGD
$3,029 USD
View
A
Retailer 6
-
$3,935 SGD
View
Retailer 7
-
$4,145 SGD
$3,241 USD
View
Price last confirmed 34 days ago
Retailer 8
-
$4,145 SGD
$3,241 USD
View
Price last confirmed 24 days ago
Retailer 9
-
$4,145 SGD
$3,241 USD
View
Price last confirmed 21 days ago
B+
Retailer 10
-
$4,269 SGD
£2,629 GBP
View
Retailer 11
-
$4,305 SGD
$3,366 USD
View
Price last confirmed 34 days ago
B+
Retailer 12
-
$4,329 SGD
$3,385 USD
View
B+
Retailer 13
-
$4,389 SGD
View
Retailer 14
-
$4,783 SGD
$3,740 USD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
$4,830 SGD
€3,597 EUR
View
B
Retailer 16
-
$6,932 SGD
£4,268 GBP
View
Retailer 17
-
$7,222 SGD
$5,647 USD
View
Price last confirmed 35 days ago
Most Expensive
B
Queensmith
6545460107 · Oct 28
$7,837 SGD
£4,825 GBP
View
17 more retailers have this diamond
Prices start from $3,159 SGDSave up to $4,677 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
$3,159 SGD