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Marquise|Natural|GIA

1.20ct I VS1 Marquise Natural Diamond

EX • I/VS1 • GIA 6552859108

Certificate GIA 6552859108

Diamond specifications and retailer prices

From $5,436 SGD
As of November 5, 2026
Save $6,102 SGD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $11,539 SGD at MOH London · As of November 4, 2026
View at MOH London

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 6552859108. Listed at 15 retailers as of November 4, 2026, with prices from $5,436 to $11,539, a $6,102 spread on the same certified stone. MOH London lists it at $11,539. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552859108
Dimensions12.38 × 5.09 × 3.19 mm
L/W Ratio2.43
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Pinpoint
Top View
12.38 mm5.09 mm1.20 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552859108
Side View
Table 56.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 62.6%

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: $11,539 SGD|Low: $5,436 SGD|High: $11,709 SGD|Avg: $7,644 SGD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$5,436 SGD
Retailer 10$6,334 SGD
Retailer 11$6,789 SGD
Retailer 7$6,908 SGD
Retailer 2$7,016 SGD
Retailer 8$7,302 SGD
Retailer 9$7,461 SGD
Retailer 6$7,742 SGD
Retailer 3$8,428 SGD
Retailer 4$8,863 SGD
MOH London$11,539 SGD

38 data points across 11 retailers

15 retailers$5,436 SGD to $11,539 SGD

A
Cheapest Retailer
-
$5,436 SGD
B+
Retailer 2
-
$6,334 SGD
View
B+
Retailer 3
-
$6,789 SGD
View
Retailer 4
-
$6,814 SGD
View
Price last confirmed 39 days ago
B+
Retailer 5
-
$6,908 SGD
View
B+
Retailer 6
-
$7,016 SGD
View
Retailer 7
-
$7,302 SGD
View
Price last confirmed 19 days ago
B
Retailer 8
-
$7,461 SGD
View
B+
Retailer 9
-
$7,742 SGD
View
Retailer 10
-
$7,863 SGD
View
Price last confirmed 38 days ago
Retailer 11
-
$8,173 SGD
View
Price last confirmed 61 days ago
B
Retailer 12
-
$8,428 SGD
View
B
Retailer 13
-
$8,863 SGD
View
Retailer 14
-
$11,397 SGD
View
Price last confirmed 37 days ago
Most Expensive
B
MOH London
330981A50 · Nov 4
$11,539 SGD
£7,113 GBP
View
14 more retailers have this diamond
Prices start from $5,436 SGDSave up to $6,102 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 Marquise
$5,436 SGD