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Radiant|Lab Grown|IGI

4.78ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG831678037

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

Certificate IGI LG831678037

Diamond specifications and retailer prices

From $773 SGD
$605 USD
As of October 27, 2026
Save $4,570 SGD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,344 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG831678037 or 831678037. Listed at 15 retailers as of October 27, 2026, with prices from $773 to $5,344, a $4,570 spread on the same certified stone. Brilliant Earth lists it at $5,344. 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831678037
Dimensions11.74 × 8.35 × 5.67 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.74 mm8.35 mm4.78 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831678037
Side View
Table 68.0%Crown 44.1°Girdle: ThickPavilion 35.6°Culet: NoneDepth 67.9%

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: Oct 27
Current: $5,344 SGD|Low: $743 SGD|High: $5,395 SGD|Avg: $2,394 SGD|-0.9%
Brilliant Earth
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
October 31, 2026
Retailer 7$773 SGD
Retailer 4$854 SGD
Retailer 9$900 SGD
Retailer 10$1,112 SGD
Retailer 3$1,268 SGD
Retailer 2$1,456 SGD
Retailer 5$1,934 SGD
Retailer 8$2,006 SGD
Retailer 15$2,204 SGD
Retailer 12$2,488 SGD
Retailer 13$2,867 SGD
Retailer 6$3,969 SGD
Retailer 11$4,127 SGD
Retailer 14$4,171 SGD
Brilliant Earth$5,344 SGD

32 data points across 15 retailers

15 retailers$773 SGD to $5,344 SGD

A
Cheapest Retailer
-
$773 SGD
$605 USD
A
Retailer 2
-
$854 SGD
$668 USD
View
A
Retailer 3
-
$900 SGD
$704 USD
View
Final sale: no returns
A
Retailer 4
-
$1,112 SGD
$870 USD
View
B+
Retailer 5
-
$1,268 SGD
$992 USD
View
A
Retailer 6
-
$1,456 SGD
€1,085 EUR
View
Retailer 7
-
$1,934 SGD
A$2,327 AUD
View
Price last confirmed 11 days ago
A
Retailer 8
-
$2,006 SGD
$1,569 USD
View
A
Retailer 9
-
$2,204 SGD
$1,724 USD
View
B+
Retailer 10
-
$2,488 SGD
$1,946 USD
View
B+
Retailer 11
-
$2,867 SGD
$2,243 USD
View
B
Retailer 12
-
$3,969 SGD
$3,105 USD
View
B+
Retailer 13
-
$4,127 SGD
£2,542 GBP
View
B
Retailer 14
-
$4,171 SGD
$3,263 USD
View
Most Expensive
B
Brilliant Earth
21304716A · Oct 29
$5,344 SGD
$4,180 USD
View
14 more retailers have this diamond
Prices start from $773 SGDSave up to $4,570 SGD

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
4.78ct Radiant
$773 SGD