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Round|Natural|GIA

1.20ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1519135113

Certificate GIA 1519135113

Diamond specifications and retailer prices

From $4,020 SGD
As of November 5, 2026
Save $4,943 SGD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,963 SGD at NZ Jewellers · As of November 5, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1519135113. Listed at 19 retailers as of November 5, 2026, with prices from $4,020 to $8,963, a $4,943 spread on the same certified stone. NZ Jewellers lists it at $8,963. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1519135113
Dimensions6.78 × 6.74 × 4.23 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Top View
6.78 mm6.74 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1519135113
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
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 5
Current: $8,963 SGD|Low: $3,440 SGD|High: $8,963 SGD|Avg: $5,324 SGD
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
November 6, 2026
Retailer 16$4,020 SGD
Retailer 13$4,036 SGD
Retailer 4$4,137 SGD
Retailer 5$4,301 SGD
Retailer 8$4,661 SGD
Retailer 9$4,661 SGD
Retailer 17$4,663 SGD
Retailer 15$4,840 SGD
Retailer 2$5,148 SGD
Retailer 6$5,199 SGD
Retailer 14$5,199 SGD
Retailer 10$5,326 SGD
Retailer 7$5,377 SGD
Retailer 11$5,628 SGD
Retailer 3$5,822 SGD
Retailer 12$8,604 SGD
NZ Jewellers$8,963 SGD

40 data points across 17 retailers

19 retailers$4,020 SGD to $8,963 SGD

A
Cheapest Retailer
-
$4,020 SGD
A
Retailer 2
-
$4,036 SGD
View
A
Retailer 3
-
$4,137 SGD
View
A
Retailer 4
-
$4,276 SGD
View
A
Retailer 5
-
$4,301 SGD
View
Final sale: no returns
Retailer 6
-
$4,661 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,661 SGD
View
B+
Retailer 8
-
$4,663 SGD
View
B+
Retailer 9
-
$4,840 SGD
View
B+
Retailer 10
-
$5,148 SGD
View
B+
Retailer 11
-
$5,199 SGD
View
B+
Retailer 12
-
$5,199 SGD
View
B+
Retailer 13
-
$5,326 SGD
View
B+
Retailer 14
-
$5,377 SGD
View
B+
Retailer 15
-
$5,628 SGD
View
Retailer 16
-
$5,822 SGD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$6,910 SGD
View
B
Retailer 18
-
$8,604 SGD
View
Most Expensive
B
NZ Jewellers
104469b4-e5b0-4a20-9683-10f1b98ad42c · Nov 5
$8,963 SGD
$7,017 USD
View
18 more retailers have this diamond
Prices start from $4,020 SGDSave up to $4,943 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
$4,020 SGD