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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 $198 USD
As of November 2, 2026
Save $951 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,149 USD at MOH London · As of November 2, 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 2, 2026, with prices from $198 to $1,149, a $951 spread on the same certified stone. MOH London lists it at $1,149. 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
Color
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 2
Current: $1,149 USD|Low: $190 USD|High: $1,171 USD|Avg: $568 USD|-0.7%
MOH London
Retailer 2
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Retailer 11
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Retailer 19
November 3, 2026
Retailer 4$198 USD
Retailer 3$221 USD
Retailer 14$230 USD
Retailer 7$246 USD
Retailer 11$247 USD
Retailer 15$425 USD
Retailer 8$428 USD
Retailer 17$435 USD
Retailer 2$450 USD
Retailer 18$565 USD
Retailer 13$600 USD
Retailer 12$644 USD
Retailer 9$680 USD
Retailer 16$791 USD
Retailer 10$802 USD
Retailer 19$840 USD
Retailer 5$841 USD
Retailer 6$844 USD
MOH London$1,149 USD

38 data points across 19 retailers

19 retailers$198 USD to $1,149 USD

A
Cheapest Retailer
-
$198 USD
A
Retailer 2
-
$221 USD
View
Final sale: no returns
A
Retailer 3
-
$230 USD
View
A
Retailer 4
-
$246 USD
View
Retailer 5
-
$247 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$425 USD
ZAR 6,858 ZAR
View
A
Retailer 7
-
$428 USD
View
A
Retailer 8
-
$435 USD
View
A
Retailer 9
-
$450 USD
£354 GBP
View
B+
Retailer 10
-
$565 USD
View
B+
Retailer 11
-
$600 USD
A$923 AUD
View
B+
Retailer 12
-
$644 USD
View
B+
Retailer 13
-
$680 USD
View
B+
Retailer 14
-
$791 USD
View
B
Retailer 15
-
$802 USD
SGD 1,084 SGD
View
B+
Retailer 16
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$840 USD
View
B
Retailer 17
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$841 USD
View
B+
Retailer 18
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$844 USD
View
Most Expensive
B
MOH London
LG794610069 · Nov 2
$1,149 USD
£905 GBP
View
18 more retailers have this diamond
Prices start from $198 USDSave up to $951 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
$198 USD