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Marquise|Lab Grown|IGI

0.42ct F VS1 Marquise Lab Grown Diamond

F/VS1 • IGI LG779657361

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG779657361

Diamond specifications and retailer prices

From $123 USD
As of November 2, 2026
Save $1,158 USD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,281 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.42ct lab-grown marquise diamond

This 0.42ct lab-grown marquise sits in the sub-half-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included) and certified by IGI LG779657361 or 779657361. Listed at 17 retailers as of October 29, 2026, with prices from $123 to $1,281, a $1,158 spread on the same certified stone. MOH London lists it at $1,281. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.42
Carat
F
Color
VS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779657361
Dimensions8.37 × 3.94 × 2.34 mm
L/W Ratio2.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.37 mm3.94 mm0.42 ctF / VS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779657361
Side View
Table 59.0%Crown 31.8°Girdle: Slightly ThickPavilion 39.4°Culet: NoneDepth 59.4%

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 2
Current: $1,281 USD|Low: $118 USD|High: $1,290 USD|Avg: $428 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 11$123 USD
Retailer 3$163 USD
Retailer 13$163 USD
Retailer 12$215 USD
Retailer 9$272 USD
Retailer 7$277 USD
Retailer 2$314 USD
Retailer 8$369 USD
Retailer 6$397 USD
Retailer 4$452 USD
Retailer 10$491 USD
Retailer 5$808 USD
MOH London$1,281 USD

46 data points across 13 retailers

17 retailers$123 USD to $1,281 USD

A
Cheapest Retailer
-
$123 USD
A
Retailer 2
-
$143 USD
View
Retailer 3
-
$157 USD
A$242 AUD
View
Price last confirmed 126 days ago
B+
Retailer 4
-
$163 USD
View
Retailer 5
-
$163 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$215 USD
View
B+
Retailer 7
-
$272 USD
€259 EUR
View
B+
Retailer 8
-
$277 USD
ZAR 4,482 ZAR
View
B
Retailer 9
-
$314 USD
£247 GBP
View
B
Retailer 10
-
$369 USD
£290 GBP
View
B
Retailer 11
-
$397 USD
A$611 AUD
View
B
Retailer 12
-
$426 USD
SGD 576 SGD
View
B
Retailer 13
-
$452 USD
View
B
Retailer 14
-
$491 USD
View
B
Retailer 15
-
$548 USD
View
B
Retailer 16
-
$808 USD
£636 GBP
View
Most Expensive
B
MOH London
LG779657361 · Oct 29
$1,281 USD
£1,009 GBP
View
16 more retailers have this diamond
Prices start from $123 USDSave up to $1,158 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
0.42ct Marquise
$123 USD