Radiant|Lab Grown|IGI

4.78ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG810612597

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

Certificate IGI LG810612597

Diamond specifications and retailer prices

From $1,243 CAD
$888 USD
As of October 28, 2026
Save $5,385 CAD (81%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,628 CAD at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 4.78ct lab-grown radiant diamond

This 4.78ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG810612597 or 810612597. Listed at 4 retailers as of October 28, 2026, with prices from $1,243 to $6,628, a $5,385 spread on the same certified stone. Frank Darling lists it at $6,628. 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

4.78
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810612597
Dimensions11.91 × 8.32 × 5.57 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.91 mm8.32 mm4.78 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810612597
Side View
Table 65.0%Crown 47.1°Girdle: MediumPavilion 35.1°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $6,628 CAD|Low: $903 CAD|High: $6,628 CAD|Avg: $2,692 CAD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 8$903 CAD
Retailer 2$1,243 CAD
Retailer 5$1,530 CAD
Retailer 12$1,755 CAD
Retailer 3$2,098 CAD
Retailer 9$2,351 CAD
Retailer 11$2,432 CAD
Retailer 10$2,918 CAD
Retailer 4$3,562 CAD
Retailer 7$4,388 CAD
Retailer 6$5,612 CAD
Frank Darling$6,628 CAD

18 data points across 12 retailers

4 retailers$1,243 CAD to $6,628 CAD

B+
Cheapest Retailer
-
$1,243 CAD
$888 USD
Retailer 2
-
$4,388 CAD
$3,135 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$5,612 CAD
$4,010 USD
View
Price last confirmed 21 days ago
Most Expensive
B
Frank Darling
100760064410KD · Oct 29
$6,628 CAD
$4,735 USD
View
3 more retailers have this diamond
Prices start from $1,243 CADSave up to $5,385 CAD

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+
4.78ct Radiant
$1,243 CAD