Radiant|Lab Grown|IGI

1.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG818620902

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

Certificate IGI LG818620902

Diamond specifications and retailer prices

From $304 USD
As of October 30, 2026
Save $2,396 USD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,700 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 LG818620902 or 818620902. Listed at 25 retailers as of October 30, 2026, with prices from $304 to $2,700, a $2,396 spread on the same certified stone. Do Amore Diamonds lists it at $2,700. 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 angle51.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818620902
Dimensions8.20 × 5.40 × 3.79 mm
L/W Ratio1.52
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.20 mm5.40 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818620902
Side View
Table 67.0%Crown 51.2°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 70.2%

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: $2,700 USD|Low: $251 USD|High: $2,700 USD|Avg: $894 USD|+21.1%
Do Amore Diamonds
Retailer 2
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Retailer 22
November 1, 2026
Retailer 3$304 USD
Retailer 10$340 USD
Retailer 8$353 USD
Retailer 20$377 USD
Retailer 21$377 USD
Retailer 5$421 USD
Retailer 13$463 USD
Retailer 6$503 USD
Retailer 7$535 USD
Retailer 4$711 USD
Retailer 18$715 USD
Retailer 16$746 USD
Retailer 17$970 USD
Retailer 19$1,058 USD
Retailer 22$1,159 USD
Retailer 14$1,338 USD
Retailer 15$1,354 USD
Retailer 12$1,449 USD
Retailer 9$1,498 USD
Retailer 11$1,553 USD
Retailer 2$1,669 USD
Do Amore Diamonds$2,700 USD

21 data points across 22 retailers

25 retailers$304 USD to $2,700 USD

A
Cheapest Retailer
-
$304 USD
A
Retailer 2
-
$340 USD
View
Final sale: no returns
A
Retailer 3
-
$353 USD
View
A
Retailer 4
-
$377 USD
View
Retailer 5
-
$377 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$421 USD
View
A
Retailer 7
-
$463 USD
£365 GBP
View
A
Retailer 8
-
$503 USD
View
B+
Retailer 9
-
$535 USD
View
B+
Retailer 10
-
$711 USD
View
B+
Retailer 11
-
$715 USD
ZAR 11,557 ZAR
View
B+
Retailer 12
-
$746 USD
£587 GBP
View
B
Retailer 13
-
$970 USD
A$1,493 AUD
View
B+
Retailer 14
-
$1,058 USD
A$1,628 AUD
View
Retailer 15
-
$1,075 USD
View
Price last confirmed 27 days ago
B
Retailer 16
-
$1,159 USD
View
B
Retailer 17
-
$1,338 USD
View
Retailer 18
-
$1,354 USD
View
Price last confirmed 13 days ago
B
Retailer 19
-
$1,449 USD
View
B
Retailer 20
-
$1,483 USD
CA$2,059 CAD
View
B
Retailer 21
-
$1,498 USD
View
B
Retailer 22
-
$1,553 USD
SGD 2,098 SGD
View
B
Retailer 23
-
$1,585 USD
View
B
Retailer 24
-
$1,669 USD
£1,314 GBP
View
Most Expensive
B
Do Amore Diamonds
27-A0C269AFE · Oct 31
$2,700 USD
View
24 more retailers have this diamond
Prices start from $304 USDSave up to $2,396 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
$304 USD