Radiant|Lab Grown|IGI

7.78ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG698523142

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG698523142

Diamond specifications and retailer prices

From $18,104 USD
As of October 30, 2026
3 retailers carry this diamond
Most expensive: $25,674 USD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 7.78ct lab-grown radiant diamond

This 7.78ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG698523142 or 698523142. Listed at 3 retailers as of October 30, 2026. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

7.78
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG698523142
Dimensions14.10 × 9.82 × 6.60 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.10 mm9.82 mm7.78 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG698523142
Side View
Table 68.0%Crown 45.5°Girdle: ThickPavilion 34.7°Culet: NoneDepth 67.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $9,775 USD|Low: $9,775 USD|High: $25,674 USD|Avg: $17,901 USD|-49.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
September 13, 2026
Retailer 1$9,775 USD
Retailer 4$10,376 USD
Retailer 2$18,104 USD
Retailer 5$21,880 USD
Retailer 3$24,140 USD
Wholesale Diamonds Direct$25,674 USD

19 data points across 6 retailers

3 retailers

Retailer 1
-
$9,775 USD
Price last confirmed 28 days ago
B
Retailer 2
-
$18,104 USD
View
Most Expensive
Wholesale Diamonds Direct
217887121 · Oct 27
$25,674 USD
View
Price under review
2 more retailers have this diamond
Prices start from $18,104 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
7.78ct Radiant
$18,104 USD