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Round|Natural|GIA

1.20ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1559111338

Certificate GIA 1559111338

Diamond specifications and retailer prices

From $2,716 SGD
HK$16,600 HKD
As of October 30, 2026
Save $4,849 SGD (64%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,566 SGD at NZ Jewellers · As of October 30, 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 1559111338. Listed at 22 retailers as of October 30, 2026, with prices from $2,716 to $7,566, a $4,849 spread on the same certified stone. NZ Jewellers lists it at $7,566. 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
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1559111338
Dimensions6.76 × 6.78 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.76 mm6.78 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1559111338
Side View
Table 60.0%Crown 34°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.1%

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: Oct 30
Current: $7,566 SGD|Low: $2,716 SGD|High: $7,857 SGD|Avg: $3,878 SGD|-3.7%
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
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 11$2,716 SGD
Retailer 14$2,870 SGD
Retailer 18$2,948 SGD
Retailer 7$2,962 SGD
Retailer 8$3,020 SGD
Retailer 9$3,026 SGD
Retailer 20$3,183 SGD
Retailer 6$3,279 SGD
Retailer 12$3,279 SGD
Retailer 13$3,348 SGD
Retailer 10$3,430 SGD
Retailer 22$3,431 SGD
Retailer 3$3,618 SGD
Retailer 5$3,618 SGD
Retailer 19$3,746 SGD
Retailer 4$3,783 SGD
Retailer 16$3,846 SGD
Retailer 2$4,247 SGD
Retailer 15$4,364 SGD
Retailer 21$4,430 SGD
Retailer 17$6,374 SGD
NZ Jewellers$7,566 SGD

21 data points across 22 retailers

22 retailers$2,716 SGD to $7,566 SGD

A
Cheapest Retailer
-
$2,716 SGD
HK$16,600 HKD
A
Retailer 2
-
$2,870 SGD
$2,245 USD
View
A
Retailer 3
-
$2,948 SGD
$2,306 USD
View
A
Retailer 4
-
$2,962 SGD
$2,317 USD
View
A
Retailer 5
-
$3,020 SGD
$2,362 USD
View
A
Retailer 6
-
$3,026 SGD
$2,367 USD
View
Final sale: no returns
A
Retailer 7
-
$3,183 SGD
$2,490 USD
View
A
Retailer 8
-
$3,279 SGD
$2,565 USD
View
A
Retailer 9
-
$3,279 SGD
$2,565 USD
View
A
Retailer 10
-
$3,348 SGD
£2,062 GBP
View
A
Retailer 11
-
$3,430 SGD
$2,683 USD
View
A
Retailer 12
-
$3,431 SGD
$2,684 USD
View
A
Retailer 13
-
$3,618 SGD
$2,830 USD
View
A
Retailer 14
-
$3,618 SGD
$2,830 USD
View
A
Retailer 15
-
$3,746 SGD
$2,930 USD
View
A
Retailer 16
-
$3,783 SGD
$2,959 USD
View
A
Retailer 17
-
$3,846 SGD
£2,369 GBP
View
B+
Retailer 18
-
$4,247 SGD
€3,164 EUR
View
Retailer 19
-
$4,364 SGD
$3,414 USD
View
Price last confirmed 8 days ago
B+
Retailer 20
-
$4,430 SGD
$3,465 USD
View
B
Retailer 21
-
$6,374 SGD
£3,926 GBP
View
Most Expensive
B
NZ Jewellers
28dc1c68-bee1-46b5-9d7a-18305e71e55d · Oct 30
$7,566 SGD
$5,918 USD
View
21 more retailers have this diamond
Prices start from $2,716 SGDSave up to $4,849 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
$2,716 SGD