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Marquise|Lab Grown|IGI

1.51ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG783653171

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG783653171

Diamond specifications and retailer prices

From £190 GBP
As of November 4, 2026
Save £736 GBP (79%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £926 GBP at Frank Darling · As of November 5, 2026
View at Frank Darling

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG783653171 or 783653171. Listed at 5 retailers as of November 4, 2026, with prices from £190 to £926, a £736 spread on the same certified stone. Frank Darling lists it at £926. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783653171
Dimensions12.35 × 5.95 × 3.61 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.35 mm5.95 mm1.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783653171
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.7%

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: £926 GBP|Low: £190 GBP|High: £1,667 GBP|Avg: £729 GBP|-0.0%
Frank Darling
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 1, 2026
Retailer 6£190 GBP
Retailer 8£286 GBP
Retailer 13£293 GBP
Retailer 3£386 GBP
Retailer 11£391 GBP
Retailer 9£434 GBP
Retailer 4£624 GBP
Retailer 2£741 GBP
Retailer 7£748 GBP
Retailer 12£890 GBP
Frank Darling£926 GBP
Retailer 5£1,504 GBP
Retailer 10£1,667 GBP

14 data points across 13 retailers

5 retailers£190 GBP to £926 GBP

A
Cheapest Retailer
-
£190 GBP
Final sale: no returns
B+
Retailer 2
-
£286 GBP
View
B+
Retailer 3
-
£741 GBP
View
B+
Retailer 4
-
£748 GBP
View
Most Expensive
B
Frank Darling
100754581103KD · Nov 5
£926 GBP
$1,250 USD
View
4 more retailers have this diamond
Prices start from £190 GBPSave up to £736 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
1.51ct Marquise
£190 GBP