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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 $3,135 CAD
$2,244 USD
As of October 30, 2026
Save $2,146 CAD (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,280 CAD 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 $3,135 to $5,280, a $2,146 spread on the same certified stone. Brilliant Earth lists it at $5,280. 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

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

Price History

Last verified: Oct 30
Current: $5,280 CAD|Low: $981 CAD|High: $7,040 CAD|Avg: $3,363 CAD|-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$992 CAD
Retailer 11$1,986 CAD
Retailer 10$2,503 CAD
Retailer 5$2,543 CAD
Retailer 9$2,966 CAD
Retailer 2$3,135 CAD
Retailer 8$3,226 CAD
Retailer 3$3,449 CAD
Retailer 4$3,689 CAD
Retailer 6$4,532 CAD
Brilliant Earth$5,280 CAD

47 data points across 11 retailers

2 retailers$3,135 CAD to $5,280 CAD

B+
Cheapest Retailer
-
$3,135 CAD
$2,244 USD
Most Expensive
B
Brilliant Earth
16070755A · Oct 29
$5,280 CAD
$3,780 USD
View
1 more retailer has this diamond
Prices start from $3,135 CADSave up to $2,146 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+
4.53ct Radiant
$3,135 CAD