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Round|Natural|GIA

1.20ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1559002784

Certificate GIA 1559002784

Diamond specifications and retailer prices

From $4,597 SGD
As of November 6, 2026
Save $2,350 SGD (34%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,517 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559002784. Listed at 21 retailers as of November 6, 2026, with a 51% 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1559002784
Dimensions6.80 × 6.84 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.80 mm6.84 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559002784
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.4%

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 6
Current: $10,517 SGD|Low: $4,367 SGD|High: $10,517 SGD|Avg: $6,404 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
November 5, 2026
Retailer 9$4,597 SGD
Retailer 7$4,804 SGD
Retailer 4$5,441 SGD
Retailer 8$5,468 SGD
Retailer 10$5,468 SGD
Retailer 12$5,468 SGD
Retailer 11$6,310 SGD
Retailer 2$6,392 SGD
Retailer 5$6,553 SGD
Retailer 3$6,665 SGD
Retailer 6$9,665 SGD
NZ Jewellers$10,517 SGD

36 data points across 12 retailers

21 retailers$4,597 SGD to $6,947 SGD

A
Cheapest Retailer
-
$4,597 SGD
A
Retailer 2
-
$4,637 SGD
View
A
Retailer 3
-
$4,804 SGD
View
Final sale: no returns
A
Retailer 4
-
$4,823 SGD
View
B+
Retailer 5
-
$4,996 SGD
View
B+
Retailer 6
-
$5,162 SGD
View
Retailer 7
-
$5,441 SGD
View
Price last confirmed 7 days ago
Retailer 8
-
$5,468 SGD
View
Price last confirmed 8 days ago
Retailer 9
-
$5,468 SGD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$5,558 SGD
View
B+
Retailer 11
-
$5,955 SGD
View
Retailer 12
-
$6,157 SGD
View
Price last confirmed 7 days ago
Retailer 13
-
$6,157 SGD
View
Price last confirmed 7 days ago
Retailer 14
-
$6,310 SGD
View
Price last confirmed 10 days ago
Retailer 15
-
$6,361 SGD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$6,392 SGD
View
B+
Retailer 17
-
$6,553 SGD
View
Retailer 18
-
$6,665 SGD
View
Price last confirmed 14 days ago
B+
Retailer 19
-
$6,947 SGD
View
Retailer 20
-
$9,665 SGD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
6b7cd258-3fcf-404a-9cec-684319f1aae3 · Oct 30
$10,517 SGD
$8,234 USD
View
Price last confirmed 7 days ago
20 more retailers have this diamond
Prices start from $4,597 SGDSave up to $2,350 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
$4,597 SGD