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Marquise|Natural|GIA

1.20ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6542700155

Certificate GIA 6542700155

Diamond specifications and retailer prices

From $6,202 SGD
As of November 4, 2026
Save $8,111 SGD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $14,313 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542700155. Listed at 17 retailers as of November 4, 2026, with prices from $6,202 to $14,313, a $8,111 spread on the same certified stone. NZ Jewellers lists it at $14,313. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542700155
Dimensions10.78 × 5.84 × 3.37 mm
L/W Ratio1.85
Culet sizeNone
Top View
10.78 mm5.84 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542700155
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 57.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $14,313 SGD|Low: $6,202 SGD|High: $14,313 SGD|Avg: $9,039 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
November 6, 2026
Retailer 9$6,202 SGD
Retailer 6$6,760 SGD
Retailer 11$6,773 SGD
Retailer 5$7,156 SGD
Retailer 4$7,752 SGD
Retailer 13$7,752 SGD
Retailer 14$7,752 SGD
Retailer 7$8,127 SGD
Retailer 2$8,415 SGD
Retailer 3$8,946 SGD
Retailer 10$9,312 SGD
Retailer 12$11,466 SGD
Retailer 8$12,572 SGD
NZ Jewellers$14,313 SGD

34 data points across 14 retailers

17 retailers$6,202 SGD to $14,313 SGD

B+
Cheapest Retailer
-
$6,202 SGD
B+
Retailer 2
-
$6,760 SGD
View
B+
Retailer 3
-
$6,773 SGD
View
B
Retailer 4
-
$6,903 SGD
View
B+
Retailer 5
-
$7,156 SGD
View
Final sale: no returns
B
Retailer 6
-
$7,645 SGD
View
Retailer 7
-
$7,752 SGD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$7,752 SGD
View
B
Retailer 9
-
$7,752 SGD
View
B+
Retailer 10
-
$8,127 SGD
View
B
Retailer 11
-
$8,415 SGD
View
B
Retailer 12
-
$8,946 SGD
View
B
Retailer 13
-
$9,312 SGD
View
Retailer 14
-
$9,433 SGD
View
Price last confirmed 22 days ago
Retailer 15
-
$11,466 SGD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$12,572 SGD
View
Most Expensive
B
NZ Jewellers
73677749-92f5-4f92-a800-ca5fbc3e2c78 · Nov 5
$14,313 SGD
$11,168 USD
View
16 more retailers have this diamond
Prices start from $6,202 SGDSave up to $8,111 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.

B+
1.20ct Marquise
$6,202 SGD