Radiant|Lab Grown|IGI

1.50ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG778659549

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

Certificate IGI LG778659549

Diamond specifications and retailer prices

From $204 USD
As of November 4, 2026
Save $973 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,177 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown radiant diamond

This 1.5ct 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 LG778659549 or 778659549. Listed at 18 retailers as of November 4, 2026, with prices from $204 to $1,177, a $973 spread on the same certified stone. MOH London lists it at $1,177. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778659549
Dimensions8.02 × 5.63 × 3.85 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.02 mm5.63 mm1.50 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778659549
Side View
Table 58.0%Crown 33.3°Girdle: ThickPavilion 34.4°Culet: NoneDepth 68.4%

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 4
Current: $1,177 USD|Low: $198 USD|High: $1,610 USD|Avg: $629 USD|-2.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 3$204 USD
Retailer 18$227 USD
Retailer 14$236 USD
Retailer 8$252 USD
Retailer 9$254 USD
Retailer 13$435 USD
Retailer 4$437 USD
Retailer 10$485 USD
Retailer 16$583 USD
Retailer 12$588 USD
Retailer 11$663 USD
Retailer 2$785 USD
Retailer 15$811 USD
Retailer 5$819 USD
Retailer 7$864 USD
Retailer 17$980 USD
Retailer 6$1,017 USD
MOH London$1,177 USD

36 data points across 18 retailers

18 retailers$204 USD to $1,177 USD

A
Cheapest Retailer
-
$204 USD
A
Retailer 2
-
$227 USD
View
Final sale: no returns
A
Retailer 3
-
$236 USD
View
A
Retailer 4
-
$252 USD
View
Retailer 5
-
$254 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$435 USD
View
B+
Retailer 7
-
$437 USD
View
A
Retailer 8
-
$485 USD
View
A
Retailer 9
-
$583 USD
View
A
Retailer 10
-
$588 USD
View
A
Retailer 11
-
$663 USD
View
B+
Retailer 12
-
$785 USD
View
B+
Retailer 13
-
$811 USD
View
B+
Retailer 14
-
$819 USD
View
B+
Retailer 15
-
$864 USD
View
B+
Retailer 16
-
$980 USD
View
B+
Retailer 17
-
$1,017 USD
View
Most Expensive
B
MOH London
LG778659549 · Nov 5
$1,177 USD
£927 GBP
View
17 more retailers have this diamond
Prices start from $204 USDSave up to $973 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
1.50ct Radiant
$204 USD