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Round|Natural|GIA

1.20ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1323678673

Certificate GIA 1323678673

Diamond specifications and retailer prices

From $4,214 SGD
$3,296 USD
As of October 30, 2026
Save $5,181 SGD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,638 SGD at NZ Jewellers · As of September 1, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1323678673. Listed at 19 retailers as of October 30, 2026, with a 123% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1323678673
Dimensions6.77 × 6.73 × 4.23 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.77 mm6.73 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1323678673
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.8%

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: Oct 30
Current: $9,395 SGD|Low: $4,000 SGD|High: $9,638 SGD|Avg: $5,715 SGD|-2.5%
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
October 30, 2026
Retailer 17$4,214 SGD
Retailer 14$4,219 SGD
Retailer 3$4,338 SGD
Retailer 4$4,509 SGD
Retailer 18$4,880 SGD
Retailer 7$4,885 SGD
Retailer 8$4,885 SGD
Retailer 10$4,991 SGD
Retailer 16$5,073 SGD
Retailer 5$5,446 SGD
Retailer 15$5,446 SGD
Retailer 2$5,482 SGD
Retailer 6$5,625 SGD
Retailer 9$5,636 SGD
Retailer 12$5,769 SGD
Retailer 19$6,102 SGD
Retailer 11$6,583 SGD
Retailer 13$9,066 SGD
NZ Jewellers$9,395 SGD

35 data points across 19 retailers

19 retailers$4,214 SGD to $9,395 SGD

A
Cheapest Retailer
-
$4,214 SGD
$3,296 USD
A
Retailer 2
-
$4,219 SGD
$3,300 USD
View
B+
Retailer 3
-
$4,338 SGD
$3,393 USD
View
B+
Retailer 4
-
$4,509 SGD
$3,527 USD
View
Final sale: no returns
B+
Retailer 5
-
$4,880 SGD
$3,817 USD
View
B+
Retailer 6
-
$4,885 SGD
$3,821 USD
View
B+
Retailer 7
-
$4,885 SGD
$3,821 USD
View
B+
Retailer 8
-
$5,073 SGD
$3,968 USD
View
B
Retailer 9
-
$5,446 SGD
$4,260 USD
View
B
Retailer 10
-
$5,446 SGD
$4,260 USD
View
B+
Retailer 11
-
$5,482 SGD
£3,376 GBP
View
B+
Retailer 12
-
$5,625 SGD
$4,400 USD
View
B+
Retailer 13
-
$5,636 SGD
$4,409 USD
View
B+
Retailer 14
-
$5,769 SGD
€4,298 EUR
View
Retailer 15
-
$5,782 SGD
$4,523 USD
View
Price last confirmed 61 days ago
Retailer 16
-
$6,102 SGD
$4,773 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$9,066 SGD
£5,584 GBP
View
B
Retailer 18
-
$9,395 SGD
$7,349 USD
View
Most Expensive
NZ Jewellers
5791f86e-e269-472e-ac73-02b147a13033 · Sep 1
$9,638 SGD
$7,539 USD
View
Price last confirmed 59 days ago
18 more retailers have this diamond
Prices start from $4,214 SGDSave up to $5,181 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
$4,214 SGD