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Marquise|Lab Grown|IGI

1.20ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG794610069

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG794610069

Diamond specifications and retailer prices

From $283 AUD
As of November 4, 2026
Save $1,355 AUD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,638 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG794610069 or 794610069. Listed at 19 retailers as of November 4, 2026, with prices from $283 to $1,638, a $1,355 spread on the same certified stone. MOH London lists it at $1,638. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794610069
Dimensions11.27 × 5.46 × 3.43 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.27 mm5.46 mm1.20 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794610069
Side View
Table 56.0%Crown 33.8°Girdle: THN-STKPavilion 39.9°Culet: NoneDepth 62.8%

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 4
Current: $1,638 AUD|Low: $271 AUD|High: $1,673 AUD|Avg: $804 AUD|-1.8%
MOH London
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
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Retailer 15
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Retailer 19
November 5, 2026
Retailer 5$283 AUD
Retailer 4$316 AUD
Retailer 16$329 AUD
Retailer 8$351 AUD
Retailer 11$353 AUD
Retailer 17$606 AUD
Retailer 9$611 AUD
Retailer 19$621 AUD
Retailer 12$636 AUD
Retailer 13$771 AUD
Retailer 3$807 AUD
Retailer 15$856 AUD
Retailer 14$920 AUD
Retailer 18$1,130 AUD
Retailer 10$1,146 AUD
Retailer 6$1,201 AUD
Retailer 7$1,206 AUD
Retailer 2$1,229 AUD
MOH London$1,638 AUD

37 data points across 19 retailers

19 retailers$283 AUD to $1,638 AUD

A
Cheapest Retailer
-
$283 AUD
A
Retailer 2
-
$316 AUD
View
Final sale: no returns
A
Retailer 3
-
$329 AUD
View
A
Retailer 4
-
$351 AUD
View
Retailer 5
-
$353 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$606 AUD
View
A
Retailer 7
-
$611 AUD
View
A
Retailer 8
-
$621 AUD
View
A
Retailer 9
-
$636 AUD
View
B+
Retailer 10
-
$771 AUD
View
B+
Retailer 11
-
$807 AUD
View
B+
Retailer 12
-
$856 AUD
View
B+
Retailer 13
-
$920 AUD
View
B+
Retailer 14
-
$1,130 AUD
View
B
Retailer 15
-
$1,146 AUD
View
B
Retailer 16
-
$1,201 AUD
View
B+
Retailer 17
-
$1,206 AUD
View
B
Retailer 18
-
$1,229 AUD
View
Most Expensive
B
MOH London
LG794610069 · Nov 5
$1,638 AUD
£903 GBP
View
18 more retailers have this diamond
Prices start from $283 AUDSave up to $1,355 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
$283 AUD