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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 $4,256 USD
As of November 5, 2026
Save $4,778 USD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,034 USD 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 $4,256 to $9,034, a $4,778 spread on the same certified stone. MOH London lists it at $9,034. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $9,034 USD|Low: $4,256 USD|High: $9,167 USD|Avg: $5,984 USD|-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$4,256 USD
Retailer 10$4,959 USD
Retailer 11$5,315 USD
Retailer 7$5,408 USD
Retailer 2$5,493 USD
Retailer 8$5,717 USD
Retailer 9$5,841 USD
Retailer 6$6,061 USD
Retailer 3$6,598 USD
Retailer 4$6,939 USD
MOH London$9,034 USD

38 data points across 11 retailers

15 retailers$4,256 USD to $9,034 USD

A
Cheapest Retailer
-
$4,256 USD
B+
Retailer 2
-
$4,959 USD
View
B+
Retailer 3
-
$5,315 USD
View
Retailer 4
-
$5,335 USD
View
Price last confirmed 39 days ago
B+
Retailer 5
-
$5,408 USD
View
B+
Retailer 6
-
$5,493 USD
View
Retailer 7
-
$5,717 USD
View
Price last confirmed 19 days ago
B
Retailer 8
-
$5,841 USD
View
B+
Retailer 9
-
$6,061 USD
View
Retailer 10
-
$6,156 USD
View
Price last confirmed 38 days ago
Retailer 11
-
$6,399 USD
View
Price last confirmed 61 days ago
B
Retailer 12
-
$6,598 USD
View
B
Retailer 13
-
$6,939 USD
View
Retailer 14
-
$8,923 USD
View
Price last confirmed 37 days ago
Most Expensive
B
MOH London
330981A50 · Nov 4
$9,034 USD
£7,113 GBP
View
14 more retailers have this diamond
Prices start from $4,256 USDSave up to $4,778 USD

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
$4,256 USD