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Marquise|Natural|GIA

1.20ct I VS1 Marquise Natural Diamond

ID • I/VS1 • GIA 3555035951

Certificate GIA 3555035951

Diamond specifications and retailer prices

From $8,038 SGD
As of November 4, 2026
Save $8,039 SGD (50%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $16,077 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555035951. Listed at 12 retailers as of November 4, 2026, with prices from $8,038 to $16,077, a $8,039 spread on the same certified stone. NZ Jewellers lists it at $16,077. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
I
Colour
VS1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555035951
Dimensions10.75 × 5.66 × 3.30 mm
L/W Ratio1.90
Top View
10.75 mm5.66 mm1.20 ctI / VS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3555035951
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.3%

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: $8,974 SGD|Low: $7,369 SGD|High: $13,557 SGD|Avg: $9,915 SGD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$8,038 SGD
Retailer 1$8,974 SGD
Retailer 3$9,129 SGD
Retailer 6$9,329 SGD
Retailer 5$9,811 SGD
Retailer 2$11,728 SGD
Retailer 4$13,359 SGD

37 data points across 7 retailers

12 retailers$8,038 SGD to $16,077 SGD

B+
Cheapest Retailer
-
$8,038 SGD
Final sale: no returns
B+
Retailer 2
-
$8,228 SGD
View
B
Retailer 3
-
$8,871 SGD
View
B+
Retailer 4
-
$8,974 SGD
View
B+
Retailer 5
-
$9,129 SGD
View
Retailer 6
-
$9,329 SGD
View
Price last confirmed 15 days ago
B
Retailer 7
-
$9,805 SGD
View
B
Retailer 8
-
$9,811 SGD
View
B
Retailer 9
-
$10,395 SGD
View
B
Retailer 10
-
$11,728 SGD
View
B
Retailer 11
-
$13,359 SGD
View
Most Expensive
B
NZ Jewellers
cee86d02-3d47-4cc2-9cbd-634bd9ba9b9d · Nov 5
$16,077 SGD
$12,587 USD
View
11 more retailers have this diamond
Prices start from $8,038 SGDSave up to $8,039 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
$8,038 SGD