Radiant|Lab Grown|IGI

4.53ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG591312928

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

Certificate IGI LG591312928

Diamond specifications and retailer prices

From $2,244 USD
As of October 30, 2026
Save $1,536 USD (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,780 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.53ct lab-grown radiant diamond

This 4.53ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG591312928 or 591312928. Listed at 2 retailers as of October 29, 2026, with prices from $2,244 to $3,780, a $1,536 spread on the same certified stone. Brilliant Earth lists it at $3,780. 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

4.53
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591312928
Dimensions11.37 × 8.10 × 5.57 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.37 mm8.10 mm4.53 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591312928
Side View
Table 66.0%Crown 46.7°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 68.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $3,780 USD|Low: $702 USD|High: $5,040 USD|Avg: $2,407 USD|-16.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
September 23, 2026
Retailer 7$710 USD
Retailer 11$1,422 USD
Retailer 10$1,792 USD
Retailer 5$1,820 USD
Retailer 9$2,123 USD
Retailer 2$2,244 USD
Retailer 8$2,310 USD
Retailer 3$2,469 USD
Retailer 4$2,641 USD
Retailer 6$3,244 USD
Brilliant Earth$3,780 USD

47 data points across 11 retailers

2 retailers$2,244 USD to $3,780 USD

B+
Cheapest Retailer
-
$2,244 USD
Most Expensive
B
Brilliant Earth
16070755A · Oct 29
$3,780 USD
View
1 more retailer has this diamond
Prices start from $2,244 USDSave up to $1,536 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+
4.53ct Radiant
$2,244 USD