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Round|Natural|GIA

1.20ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6521965860

Certificate GIA 6521965860

Diamond specifications and retailer prices

From $2,602 SGD
HK$15,900 HKD
As of November 1, 2026
Save $3,327 SGD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,076 SGD at NZ Jewellers · As of September 28, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6521965860. Listed at 18 retailers as of November 1, 2026, with a 128% 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6521965860
Dimensions6.79 × 6.74 × 4.20 mm
L/W Ratio1.01
Top View
6.79 mm6.74 mm1.20 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6521965860
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

Caratlytics Score

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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 1
Current: $4,207 SGD|Low: $2,602 SGD|High: $6,001 SGD|Avg: $3,617 SGD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6$2,602 SGD
Retailer 2$2,733 SGD
Retailer 3$3,077 SGD
Retailer 9$3,123 SGD
Retailer 7$3,150 SGD
Retailer 8$3,241 SGD
Retailer 5$3,596 SGD
Retailer 1$4,207 SGD
Retailer 4$5,929 SGD

29 data points across 9 retailers

18 retailers$2,602 SGD to $5,929 SGD

A
Cheapest Retailer
-
$2,602 SGD
HK$15,900 HKD
A
Retailer 2
-
$2,733 SGD
₹203,598 INR
View
A
Retailer 3
-
$3,077 SGD
£1,895 GBP
View
A
Retailer 4
-
$3,123 SGD
$2,443 USD
View
Final sale: no returns
A
Retailer 5
-
$3,150 SGD
$2,464 USD
View
A
Retailer 6
-
$3,218 SGD
$2,517 USD
View
A
Retailer 7
-
$3,241 SGD
View
Retailer 8
-
$3,384 SGD
$2,647 USD
View
Price last confirmed 33 days ago
Retailer 9
-
$3,384 SGD
$2,647 USD
View
Price last confirmed 20 days ago
Retailer 10
-
$3,384 SGD
$2,647 USD
View
Price last confirmed 23 days ago
A
Retailer 11
-
$3,464 SGD
$2,710 USD
View
Retailer 12
-
$3,514 SGD
$2,749 USD
View
Price last confirmed 33 days ago
A
Retailer 13
-
$3,596 SGD
£2,215 GBP
View
A
Retailer 14
-
$3,615 SGD
View
Retailer 15
-
$3,906 SGD
$3,055 USD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$4,207 SGD
€3,134 EUR
View
B+
Retailer 17
-
$5,929 SGD
£3,652 GBP
View
Most Expensive
NZ Jewellers
7e56413a-2b21-4612-af47-d71e2a651bf6 · Sep 28
$7,076 SGD
$5,535 USD
View
Price last confirmed 34 days ago
17 more retailers have this diamond
Prices start from $2,602 SGDSave up to $3,327 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
$2,602 SGD