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 $499 USD
A$768 AUD
As of October 29, 2026
3 retailers carry this diamond
Most expensive: $499 USD 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 29, 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
Color
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 29
Current: $499 USD|Low: $102 USD|High: $968 USD|Avg: $427 USD
GemTrove
Retailer 2
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October 19, 2026
Retailer 10$102 USD
Retailer 17$218 USD
Retailer 19$256 USD
Retailer 12$257 USD
Retailer 18$272 USD
Retailer 9$280 USD
Retailer 14$295 USD
Retailer 13$295 USD
Retailer 15$330 USD
Retailer 4$377 USD
Retailer 3$400 USD
Retailer 8$485 USD
Retailer 6$486 USD
GemTrove$499 USD
Retailer 11$572 USD
Retailer 5$574 USD
Retailer 2$660 USD
Retailer 16$777 USD
Retailer 7$968 USD

5 data points across 19 retailers

3 retailers

Retailer 1
-
$295 USD
Price last confirmed 47 days ago
Retailer 2
-
$400 USD
A$616 AUD
View
Price last confirmed 85 days ago
Most Expensive
B
GemTrove
GT-L-01124485-98 · Oct 29
$499 USD
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
$499 USD