Radiant|Lab Grown|IGI

4.78ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG715588239

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

Certificate IGI LG715588239

Diamond specifications and retailer prices

From $2,604 USD
As of October 24, 2026
2 retailers carry this diamond
Most expensive: $3,533 USD at Rare Carat · As of July 27, 2026
View at Rare Carat

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 LG715588239 or 715588239. Listed at 2 retailers as of October 24, 2026. 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 angle55.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715588239
Dimensions11.70 × 8.26 × 5.64 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.70 mm8.26 mm4.78 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715588239
Side View
Table 64.0%Crown 55.2°Girdle: MediumPavilion 39.2°Culet: NoneDepth 68.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 24
Current: $3,533 USD|Low: $488 USD|High: $8,230 USD|Avg: $2,027 USD|-1.9%
Rare Carat
Retailer 2
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October 24, 2026
Retailer 14$506 USD
Retailer 10$915 USD
Retailer 4$1,064 USD
Retailer 5$1,127 USD
Retailer 8$1,173 USD
Retailer 16$1,413 USD
Retailer 6$1,708 USD
Retailer 12$1,718 USD
Retailer 9$1,810 USD
Retailer 3$2,286 USD
Retailer 13$2,459 USD
Retailer 2$2,604 USD
Retailer 15$2,783 USD
Retailer 7$2,896 USD
Rare Carat$3,533 USD
Retailer 11$4,870 USD

65 data points across 16 retailers

2 retailers

B+
Cheapest Retailer
-
$2,604 USD
Most Expensive
Rare Carat
LFE43A-27 · Jul 27
$3,533 USD
View
Price last confirmed 94 days ago
1 more retailer has this diamond
Prices start from $2,604 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.

B+
4.78ct Radiant
$2,604 USD