Marquise|Lab Grown|IGI

0.78ct E VS2 Marquise Lab Grown Diamond

EX • E/VS2 • IGI LG786665485

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786665485

Diamond specifications and retailer prices

From £373 GBP
A$768 AUD
As of October 31, 2026
3 retailers carry this diamond
Most expensive: £373 GBP at GemTrove
View at GemTrove

About this 0.78ct lab-grown marquise diamond

This 0.78ct lab-grown marquise sits in the just-under-one-carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786665485 or 786665485. Listed at 3 retailers as of October 31, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786665485
Dimensions9.42 × 4.87 × 3.06 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.42 mm4.87 mm0.78 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786665485
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £373 GBP|Low: £76 GBP|High: £723 GBP|Avg: £318 GBP
GemTrove
Retailer 2
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October 31, 2026
Retailer 10£76 GBP
Retailer 17£163 GBP
Retailer 19£191 GBP
Retailer 12£192 GBP
Retailer 18£203 GBP
Retailer 9£209 GBP
Retailer 14£220 GBP
Retailer 13£220 GBP
Retailer 15£246 GBP
Retailer 4£281 GBP
Retailer 3£299 GBP
Retailer 8£362 GBP
Retailer 6£363 GBP
GemTrove£373 GBP
Retailer 11£427 GBP
Retailer 5£428 GBP
Retailer 2£493 GBP
Retailer 16£580 GBP
Retailer 7£723 GBP

5 data points across 19 retailers

3 retailers

Retailer 1
-
£220 GBP
$295 USD
Price last confirmed 48 days ago
Retailer 2
-
£299 GBP
A$616 AUD
View
Price last confirmed 86 days ago
Most Expensive
B
GemTrove
GT-L-01039503-98 · Oct 31
£373 GBP
A$768 AUD
View
2 more retailers have this diamond

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.

B
0.78ct Marquise
£373 GBP