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Marquise|Lab Grown|IGI

0.34ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG539235899

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG539235899

Diamond specifications and retailer prices

From $92 USD
As of November 2, 2026
Save $749 USD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $841 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.34ct lab-grown marquise diamond

This 0.34ct lab-grown marquise sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG539235899 or 539235899. Listed at 13 retailers as of November 1, 2026, with prices from $92 to $841, a $749 spread on the same certified stone. MOH London lists it at $841. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.34
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539235899
Dimensions7.23 × 3.80 × 2.25 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.23 mm3.80 mm0.34 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539235899
Side View
Table 61.5%Crown 29.4°Girdle: THN-MEDPavilion 41.3°Culet: NoneDepth 59.2%

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: $841 USD|Low: $89 USD|High: $851 USD|Avg: $274 USD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5$92 USD
Retailer 10$107 USD
Retailer 7$122 USD
Retailer 11$122 USD
Retailer 6$190 USD
Retailer 2$215 USD
Retailer 9$239 USD
Retailer 4$294 USD
Retailer 3$340 USD
Retailer 8$368 USD
MOH London$841 USD

43 data points across 11 retailers

13 retailers$92 USD to $841 USD

A
Cheapest Retailer
-
$92 USD
A
Retailer 2
-
$107 USD
View
A
Retailer 3
-
$122 USD
View
Retailer 4
-
$122 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$190 USD
View
B+
Retailer 6
-
$215 USD
£169 GBP
View
B+
Retailer 7
-
$239 USD
View
B+
Retailer 8
-
$294 USD
£231 GBP
View
B
Retailer 9
-
$340 USD
View
B
Retailer 10
-
$346 USD
HK$2,700 HKD
View
B
Retailer 11
-
$368 USD
View
B
Retailer 12
-
$427 USD
View
Most Expensive
B
MOH London
LG539235899 · Nov 1
$841 USD
£662 GBP
View
12 more retailers have this diamond
Prices start from $92 USDSave up to $749 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
0.34ct Marquise
$92 USD