Radiant|Lab Grown|IGI

0.78ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG645425216

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

Certificate IGI LG645425216

Diamond specifications and retailer prices

From $129 USD
As of November 2, 2026
Save $1,207 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,336 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.78ct lab-grown radiant diamond

This 0.78ct lab-grown radiant sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG645425216 or 645425216. Listed at 16 retailers as of November 1, 2026, with prices from $129 to $1,336, a $1,207 spread on the same certified stone. MOH London lists it at $1,336. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645425216
Dimensions6.50 × 4.38 × 3.06 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.50 mm4.38 mm0.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645425216
Side View
Table 69.0%Crown 46.2°Girdle: Slightly ThickPavilionCulet: NoneDepth 69.9%

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 2
Current: $1,336 USD|Low: $124 USD|High: $1,353 USD|Avg: $414 USD
MOH London
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
November 3, 2026
Retailer 10$129 USD
Retailer 12$145 USD
Retailer 13$150 USD
Retailer 11$160 USD
Retailer 5$179 USD
Retailer 3$230 USD
Retailer 2$268 USD
Retailer 4$277 USD
Retailer 8$280 USD
Retailer 15$317 USD
Retailer 6$445 USD
Retailer 7$571 USD
Retailer 14$838 USD
Retailer 9$967 USD
MOH London$1,336 USD

44 data points across 15 retailers

16 retailers$129 USD to $1,336 USD

A
Cheapest Retailer
-
$129 USD
A
Retailer 2
-
$145 USD
View
Final sale: no returns
A
Retailer 3
-
$150 USD
View
A
Retailer 4
-
$160 USD
View
A
Retailer 5
-
$179 USD
HK$1,400 HKD
View
A
Retailer 6
-
$268 USD
£211 GBP
View
A
Retailer 7
-
$277 USD
View
A
Retailer 8
-
$280 USD
€267 EUR
View
B+
Retailer 9
-
$317 USD
View
B+
Retailer 10
-
$445 USD
SGD 602 SGD
View
B+
Retailer 11
-
$478 USD
£376 GBP
View
B
Retailer 12
-
$571 USD
View
B
Retailer 13
-
$584 USD
£460 GBP
View
B
Retailer 14
-
$838 USD
£660 GBP
View
B
Retailer 15
-
$967 USD
View
Most Expensive
B
MOH London
LG645425216 · Nov 1
$1,336 USD
£1,052 GBP
View
15 more retailers have this diamond
Prices start from $129 USDSave up to $1,207 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
$129 USD