Radiant|Lab Grown|IGI

0.78ct D VVS2 Radiant Lab Grown Diamond

EX • D/VVS2 • IGI LG645468241

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

Certificate IGI LG645468241

Diamond specifications and retailer prices

From $185 USD
As of November 4, 2026
Save $998 USD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,780 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore 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 LG645468241 or 645468241. Listed at 20 retailers as of November 4, 2026, with a 539% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle55.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645468241
Dimensions4.57 × 6.35 × 3.23 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.57 mm6.35 mm0.78 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645468241
Side View
Table 65.0%Crown 55.9°Girdle: MediumPavilion 40.5°Culet: NoneDepth 70.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $462 USD|Low: $178 USD|High: $1,200 USD|Avg: $497 USD|+3.6%
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
November 5, 2026
Retailer 13$185 USD
Retailer 10$207 USD
Retailer 3$230 USD
Retailer 12$230 USD
Retailer 4$310 USD
Retailer 5$369 USD
Retailer 8$461 USD
Retailer 1$462 USD
Retailer 9$529 USD
Retailer 7$648 USD
Retailer 11$781 USD
Retailer 2$820 USD
Retailer 6$1,183 USD

44 data points across 13 retailers

20 retailers$185 USD to $1,183 USD

Retailer 1
-
$185 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$185 USD
View
A
Retailer 3
-
$207 USD
View
Final sale: no returns
Retailer 4
-
$215 USD
View
Price last confirmed 39 days ago
Retailer 5
-
$230 USD
View
Price last confirmed 33 days ago
Retailer 6
-
$230 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$242 USD
View
A
Retailer 8
-
$310 USD
View
B+
Retailer 9
-
$369 USD
View
B+
Retailer 10
-
$461 USD
View
B+
Retailer 11
-
$462 USD
View
Retailer 12
-
$529 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$648 USD
View
B
Retailer 14
-
$781 USD
View
Retailer 15
-
$816 USD
View
Price last confirmed 36 days ago
B
Retailer 16
-
$816 USD
View
B
Retailer 17
-
$988 USD
View
B
Retailer 18
-
$1,148 USD
View
B
Retailer 19
-
$1,183 USD
View
Most Expensive
Do Amore Diamonds
27-ABA544E63 · Nov 4
$1,780 USD
View
Price under review
19 more retailers have this diamond
Prices start from $185 USDSave up to $998 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
$185 USD