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Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 3365657382

Certificate GIA 3365657382

Diamond specifications and retailer prices

From $5,107 SGD
As of November 5, 2026
Save $5,454 SGD (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,122 SGD at NZ Jewellers · As of October 20, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3365657382. Listed at 19 retailers as of November 4, 2026, with a 107% 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3365657382
Dimensions6.81 × 6.75 × 4.14 mm
L/W Ratio1.01
Top View
6.81 mm6.75 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3365657382
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $11,122 SGD|Low: $5,008 SGD|High: $11,568 SGD|Avg: $7,215 SGD|-3.9%
NZ Jewellers
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
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 6$5,038 SGD
Retailer 18$5,107 SGD
Retailer 16$5,158 SGD
Retailer 5$5,253 SGD
Retailer 2$5,506 SGD
Retailer 3$5,690 SGD
Retailer 19$5,977 SGD
Retailer 9$6,024 SGD
Retailer 12$6,491 SGD
Retailer 7$6,690 SGD
Retailer 17$6,690 SGD
Retailer 8$6,908 SGD
Retailer 10$6,951 SGD
Retailer 11$6,972 SGD
Retailer 14$7,042 SGD
Retailer 4$7,340 SGD
Retailer 13$8,113 SGD
Retailer 15$10,562 SGD
NZ Jewellers$11,122 SGD

32 data points across 19 retailers

19 retailers$5,107 SGD to $10,562 SGD

B+
Cheapest Retailer
-
$5,107 SGD
Retailer 2
-
$5,158 SGD
View
Price last confirmed 16 days ago
B+
Retailer 3
-
$5,253 SGD
View
B+
Retailer 4
-
$5,506 SGD
View
Final sale: no returns
B+
Retailer 5
-
$5,690 SGD
View
Retailer 6
-
$6,024 SGD
View
Price last confirmed 17 days ago
Retailer 7
-
$6,024 SGD
View
Price last confirmed 21 days ago
Retailer 8
-
$6,024 SGD
View
Price last confirmed 22 days ago
B+
Retailer 9
-
$6,491 SGD
View
B
Retailer 10
-
$6,690 SGD
View
B
Retailer 11
-
$6,690 SGD
View
B
Retailer 12
-
$6,908 SGD
View
Retailer 13
-
$6,951 SGD
View
Price last confirmed 16 days ago
Retailer 14
-
$6,972 SGD
View
Price last confirmed 28 days ago
B
Retailer 15
-
$7,042 SGD
View
Retailer 16
-
$7,340 SGD
View
Price last confirmed 23 days ago
B
Retailer 17
-
$8,113 SGD
View
B
Retailer 18
-
$10,562 SGD
View
Most Expensive
NZ Jewellers
90a0326f-d99a-4d38-84a9-3b7d0b5f5443 · Oct 20
$11,122 SGD
$8,678 USD
View
Price last confirmed 17 days ago
18 more retailers have this diamond
Prices start from $5,107 SGDSave up to $5,454 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.

B+
1.20ct Round
$5,107 SGD