Radiant|Lab Grown|IGI

1.53ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG659430398

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

Certificate IGI LG659430398

Diamond specifications and retailer prices

From $590 USD
£464 GBP
As of October 31, 2026
Save $295 USD (33%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $885 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG659430398 or 659430398. Listed at 3 retailers as of October 28, 2026, with prices from $590 to $885, a $295 spread on the same certified stone. Rare Carat lists it at $885. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659430398
Dimensions8.29 × 5.71 × 3.75 mm
L/W Ratio1.45
Culet sizePointed
Top View
8.29 mm5.71 mm1.53 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659430398
Side View
Table 68.0%Crown 46.7°Girdle: MediumPavilion 35°Culet: NoneDepth 65.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $885 USD|Low: $318 USD|High: $1,052 USD|Avg: $555 USD|-1.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 18, 2026
Retailer 6$318 USD
Retailer 8$324 USD
Retailer 5$341 USD
Retailer 2$369 USD
Retailer 7$466 USD
Retailer 10$522 USD
Retailer 9$544 USD
Retailer 12$554 USD
Retailer 11$581 USD
Retailer 4$701 USD
Rare Carat$885 USD
Retailer 3$1,052 USD

3 data points across 12 retailers

3 retailers$590 USD to $885 USD

A
Cheapest Retailer
-
$590 USD
£464 GBP
Retailer 2
-
$865 USD
View
Price last confirmed 13 days ago
Most Expensive
B+
Rare Carat
RP2204/139A · Oct 28
$885 USD
View
2 more retailers have this diamond
Prices start from $590 USDSave up to $295 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
1.53ct Radiant
$590 USD