Radiant|Lab Grown|IGI

0.78ct D VVS2 Radiant Lab Grown Diamond

EX • D/VVS2 • IGI LG691551428

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

Certificate IGI LG691551428

Diamond specifications and retailer prices

From $143 USD
As of November 4, 2026
Save $870 USD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,013 USD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 0.78ct lab-grown radiant diamond

This 0.78ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG691551428 or 691551428. Listed at 14 retailers as of November 4, 2026, with prices from $143 to $1,013, a $870 spread on the same certified stone. Reve Diamonds lists it at $1,013. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
D
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691551428
Dimensions6.47 × 4.74 × 2.95 mm
L/W Ratio1.36
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.47 mm4.74 mm0.78 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691551428
Side View
Table 66.0%Crown 40.6°Girdle: Slightly ThickPavilionCulet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $302 USD|Low: $143 USD|High: $1,112 USD|Avg: $510 USD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
November 5, 2026
Retailer 9$143 USD
Retailer 2$160 USD
Retailer 12$166 USD
Retailer 10$178 USD
Retailer 3$204 USD
Retailer 1$302 USD
Retailer 11$304 USD
Retailer 15$310 USD
Retailer 13$356 USD
Retailer 6$382 USD
Retailer 4$489 USD
Retailer 14$627 USD
Retailer 8$829 USD
Retailer 7$927 USD
Reve Diamonds$1,013 USD
Retailer 5$1,112 USD

12 data points across 16 retailers

14 retailers$143 USD to $1,013 USD

A
Cheapest Retailer
-
$143 USD
A
Retailer 2
-
$160 USD
View
Final sale: no returns
A
Retailer 3
-
$166 USD
View
A
Retailer 4
-
$178 USD
View
A
Retailer 5
-
$204 USD
View
A
Retailer 6
-
$302 USD
View
A
Retailer 7
-
$304 USD
View
A
Retailer 8
-
$310 USD
View
B+
Retailer 9
-
$356 USD
View
B+
Retailer 10
-
$489 USD
View
B
Retailer 11
-
$627 USD
View
B
Retailer 12
-
$800 USD
View
B
Retailer 13
-
$829 USD
View
Most Expensive
B
Reve Diamonds
1C6469075 · Nov 4
$1,013 USD
View
13 more retailers have this diamond
Prices start from $143 USDSave up to $870 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.

A
0.78ct Radiant
$143 USD