Radiant|Lab Grown|IGI

4.59ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG781655189

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

Certificate IGI LG781655189

Diamond specifications and retailer prices

From $1,061 USD
As of October 30, 2026
Save $5,429 USD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,490 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.59ct lab-grown radiant diamond

This 4.59ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781655189 or 781655189. Listed at 10 retailers as of October 30, 2026, with prices from $1,061 to $6,490, a $5,429 spread on the same certified stone. Brilliant Earth lists it at $6,490. 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

4.59
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.2°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781655189
Dimensions11.81 × 8.20 × 5.54 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.81 mm8.20 mm4.59 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781655189
Side View
Table 67.0%Crown 47.2°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.6%

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 30
Current: $6,490 USD|Low: $1,019 USD|High: $10,880 USD|Avg: $3,416 USD|-40.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 6$1,061 USD
Retailer 2$1,154 USD
Retailer 3$1,231 USD
Retailer 7$1,627 USD
Retailer 9$1,995 USD
Retailer 4$2,546 USD
Retailer 8$3,749 USD
Retailer 5$4,388 USD
Retailer 10$4,825 USD
Brilliant Earth$6,490 USD

21 data points across 10 retailers

10 retailers$1,061 USD to $6,490 USD

A
Cheapest Retailer
-
$1,061 USD
A
Retailer 2
-
$1,154 USD
View
A
Retailer 3
-
$1,231 USD
View
A
Retailer 4
-
$1,627 USD
View
B+
Retailer 5
-
$2,546 USD
View
B
Retailer 6
-
$3,749 USD
£2,952 GBP
View
B
Retailer 7
-
$4,388 USD
£3,455 GBP
View
B
Retailer 8
-
$4,825 USD
View
B
Retailer 9
-
$5,520 USD
£4,347 GBP
View
Most Expensive
B
Brilliant Earth
20918173A · Oct 31
$6,490 USD
View
9 more retailers have this diamond
Prices start from $1,061 USDSave up to $5,429 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
4.59ct Radiant
$1,061 USD