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Marquise|Lab Grown|IGI

0.34ct F VS1 Marquise Lab Grown Diamond

VG • F/VS1 • IGI LG688517751

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG688517751

Diamond specifications and retailer prices

From £53 GBP
$71 USD
As of November 2, 2026
Save £432 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £485 GBP at MOH London · As of November 2, 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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG688517751 or 688517751. Listed at 16 retailers as of November 2, 2026, with prices from £53 to £485, a £432 spread on the same certified stone. MOH London lists it at £485. 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

0.34
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle36.4°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688517751
Dimensions7.38 × 3.56 × 2.23 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.38 mm3.56 mm0.34 ctF / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG688517751
Side View
Table 58.0%Crown 36.4°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 62.6%

Caratlytics Score

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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: £485 GBP|Low: £53 GBP|High: £588 GBP|Avg: £188 GBP|-16.7%
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 3, 2026
Retailer 10£53 GBP
Retailer 3£70 GBP
Retailer 8£70 GBP
Retailer 13£97 GBP
Retailer 2£118 GBP
Retailer 6£120 GBP
Retailer 4£151 GBP
Retailer 11£157 GBP
Retailer 7£169 GBP
Retailer 5£194 GBP
Retailer 9£236 GBP
Retailer 12£352 GBP
MOH London£485 GBP

42 data points across 13 retailers

16 retailers£53 GBP to £485 GBP

A
Cheapest Retailer
-
£53 GBP
$71 USD
Retailer 2
-
£61 GBP
$82 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
£70 GBP
$94 USD
View
Retailer 4
-
£70 GBP
$94 USD
View
Price last confirmed 9 days ago
Retailer 5
-
£74 GBP
$99 USD
View
Price last confirmed 35 days ago
Retailer 6
-
£83 GBP
$112 USD
View
Price last confirmed 35 days ago
B+
Retailer 7
-
£97 GBP
$130 USD
View
A
Retailer 8
-
£118 GBP
View
B+
Retailer 9
-
£120 GBP
ZAR 2,594 ZAR
View
B+
Retailer 10
-
£151 GBP
$202 USD
View
B+
Retailer 11
-
£169 GBP
View
Retailer 12
-
£194 GBP
$260 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
£236 GBP
$317 USD
View
Retailer 14
-
£254 GBP
$341 USD
View
Price last confirmed 33 days ago
B
Retailer 15
-
£352 GBP
View
Most Expensive
B
MOH London
LG688517751 · Nov 2
£485 GBP
View
15 more retailers have this diamond
Prices start from £53 GBPSave up to £432 GBP

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
£53 GBP