Round|Natural|GIA

1.20ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2557507607

Certificate GIA 2557507607

Diamond specifications and retailer prices

From $3,465 SGD
As of November 6, 2026
Save $4,555 SGD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,020 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557507607. Listed at 15 retailers as of November 5, 2026, with prices from $3,465 to $8,020, a $4,555 spread on the same certified stone. NZ Jewellers lists it at $8,020. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557507607
Dimensions6.81 × 6.77 × 4.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.81 mm6.77 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557507607
Side View
Table 60.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $8,020 SGD|Low: $3,433 SGD|High: $8,248 SGD|Avg: $4,990 SGD|-2.8%
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
November 6, 2026
Retailer 15$3,465 SGD
Retailer 10$3,633 SGD
Retailer 11$3,659 SGD
Retailer 5$3,849 SGD
Retailer 6$3,893 SGD
Retailer 13$4,011 SGD
Retailer 14$4,049 SGD
Retailer 4$4,197 SGD
Retailer 8$4,339 SGD
Retailer 2$4,405 SGD
Retailer 7$5,457 SGD
Retailer 3$6,284 SGD
Retailer 12$6,955 SGD
Retailer 9$7,677 SGD
NZ Jewellers$8,020 SGD

27 data points across 15 retailers

15 retailers$3,465 SGD to $8,020 SGD

A
Cheapest Retailer
-
$3,465 SGD
A
Retailer 2
-
$3,633 SGD
View
A
Retailer 3
-
$3,659 SGD
View
A
Retailer 4
-
$3,849 SGD
View
Final sale: no returns
A
Retailer 5
-
$3,893 SGD
View
A
Retailer 6
-
$4,011 SGD
View
A
Retailer 7
-
$4,049 SGD
View
A
Retailer 8
-
$4,197 SGD
View
A
Retailer 9
-
$4,339 SGD
View
A
Retailer 10
-
$4,405 SGD
View
B+
Retailer 11
-
$4,639 SGD
View
B+
Retailer 12
-
$6,284 SGD
View
B+
Retailer 13
-
$6,955 SGD
View
B
Retailer 14
-
$7,677 SGD
View
Most Expensive
B
NZ Jewellers
b5e2a5a0-232f-4fbd-9b97-2bc3c786694f · Nov 5
$8,020 SGD
$6,279 USD
View
14 more retailers have this diamond
Prices start from $3,465 SGDSave up to $4,555 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
$3,465 SGD