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Cushion|Lab Grown|IGI

0.78ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG591369705

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG591369705

Diamond specifications and retailer prices

From $427 USD
£336 GBP
As of October 29, 2026
Save $43 USD (9%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $470 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 0.78ct lab-grown cushion diamond

This 0.78ct lab-grown cushion sits in the just-under-one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG591369705 or 591369705. Listed at 2 retailers as of October 29, 2026, with a relatively tight 10% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591369705
Dimensions6.30 × 4.89 × 3.25 mm
L/W Ratio1.29
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
6.30 mm4.89 mm0.78 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591369705
Side View
Table 62.0%Crown 34.7°Girdle: MED-STKPavilion 36.2°Culet: NoneDepth 66.5%

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: $470 USD|Low: $273 USD|High: $3,090 USD|Avg: $693 USD|-4.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
May 22, 2026
Retailer 10$273 USD
Retailer 6$388 USD
Retailer 3$427 USD
Brilliant Earth$470 USD
Retailer 11$517 USD
Retailer 2$626 USD
Retailer 4$660 USD
Retailer 7$824 USD
Retailer 9$876 USD
Retailer 5$1,684 USD
Retailer 8$3,090 USD

25 data points across 11 retailers

2 retailers$427 USD to $470 USD

B
Cheapest Retailer
-
$427 USD
£336 GBP
Most Expensive
B
Brilliant Earth
7770983Y · Oct 29
$470 USD
View
1 more retailer has this diamond
Prices start from $427 USDSave up to $43 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.

B
0.78ct Cushion
$427 USD