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Radiant|Lab Grown|IGI

1.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG818617593

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

Certificate IGI LG818617593

Diamond specifications and retailer prices

From $232 USD
As of November 2, 2026
Save $1,065 USD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,297 USD at Reve Diamonds · As of November 2, 2026
View at Reve Diamonds

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818617593 or 818617593. Listed at 22 retailers as of November 2, 2026, with prices from $232 to $1,297, a $1,065 spread on the same certified stone. Reve Diamonds lists it at $1,297. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818617593
Dimensions8.27 × 5.57 × 3.64 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.27 mm5.57 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818617593
Side View
Table 63.0%Crown 44°Girdle: MediumPavilion 34.2°Culet: NoneDepth 65.4%

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: Nov 2
Current: $542 USD|Low: $232 USD|High: $1,315 USD|Avg: $622 USD|-0.1%
Retailer 1
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Retailer 20
Reve Diamonds
November 3, 2026
Retailer 17$232 USD
Retailer 8$260 USD
Retailer 20$270 USD
Retailer 5$289 USD
Retailer 13$294 USD
Retailer 14$320 USD
Retailer 10$320 USD
Retailer 16$462 USD
Retailer 4$488 USD
Retailer 19$499 USD
Retailer 9$523 USD
Retailer 7$541 USD
Retailer 1$542 USD
Retailer 12$673 USD
Retailer 6$928 USD
Retailer 15$929 USD
Retailer 18$930 USD
Retailer 11$972 USD
Retailer 2$981 USD
Retailer 3$1,157 USD
Reve Diamonds$1,297 USD

14 data points across 21 retailers

22 retailers$232 USD to $1,297 USD

A
Cheapest Retailer
-
$232 USD
A
Retailer 2
-
$260 USD
View
Final sale: no returns
A
Retailer 3
-
$270 USD
View
A
Retailer 4
-
$289 USD
View
Retailer 5
-
$294 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$320 USD
£252 GBP
View
A
Retailer 7
-
$320 USD
HK$2,500 HKD
View
A
Retailer 8
-
$462 USD
€440 EUR
View
A
Retailer 9
-
$488 USD
View
A
Retailer 10
-
$499 USD
ZAR 8,054 ZAR
View
A
Retailer 11
-
$523 USD
View
A
Retailer 12
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$541 USD
View
A
Retailer 13
-
$542 USD
£427 GBP
View
B+
Retailer 14
-
$673 USD
A$1,036 AUD
View
B+
Retailer 15
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$928 USD
View
B+
Retailer 16
-
$929 USD
View
B+
Retailer 17
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$930 USD
SGD 1,257 SGD
View
Retailer 18
-
$972 USD
A$1,496 AUD
View
Price last confirmed 8 days ago
B+
Retailer 19
-
$981 USD
View
B
Retailer 20
-
$1,157 USD
£911 GBP
View
B
Retailer 21
-
$1,194 USD
View
Most Expensive
B
Reve Diamonds
91BE9D503 · Nov 2
$1,297 USD
View
21 more retailers have this diamond
Prices start from $232 USDSave up to $1,065 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
1.51ct Radiant
$232 USD