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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 $6,169 AUD
As of November 6, 2026
Save $6,978 AUD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $13,147 AUD 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 $6,169 to $13,147, a $6,978 spread on the same certified stone. MOH London lists it at $13,147. 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 6
Current: $13,147 AUD|Low: $6,169 AUD|High: $13,341 AUD|Avg: $8,739 AUD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 4$6,169 AUD
Retailer 9$7,217 AUD
Retailer 3$7,842 AUD
Retailer 2$7,995 AUD
Retailer 7$8,321 AUD
Retailer 8$8,501 AUD
Retailer 5$8,796 AUD
Retailer 6$10,099 AUD
MOH London$13,147 AUD

38 data points across 9 retailers

15 retailers$6,169 AUD to $13,147 AUD

A
Cheapest Retailer
-
$6,169 AUD
B+
Retailer 2
-
$7,217 AUD
View
B+
Retailer 3
-
$7,735 AUD
View
Retailer 4
-
$7,765 AUD
View
Price last confirmed 40 days ago
B+
Retailer 5
-
$7,842 AUD
View
B+
Retailer 6
-
$7,995 AUD
View
Retailer 7
-
$8,321 AUD
View
Price last confirmed 20 days ago
B
Retailer 8
-
$8,501 AUD
View
B+
Retailer 9
-
$8,796 AUD
View
Retailer 10
-
$8,959 AUD
View
Price last confirmed 39 days ago
Retailer 11
-
$9,313 AUD
View
Price last confirmed 62 days ago
B
Retailer 12
-
$9,603 AUD
View
B
Retailer 13
-
$10,099 AUD
View
Retailer 14
-
$12,987 AUD
View
Price last confirmed 38 days ago
Most Expensive
B
MOH London
330981A50 · Nov 4
$13,147 AUD
£7,113 GBP
View
14 more retailers have this diamond
Prices start from $6,169 AUDSave up to $6,978 AUD

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
$6,169 AUD