Radiant|Lab Grown|IGI

1.50ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG778659548

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

Certificate IGI LG778659548

Diamond specifications and retailer prices

From $204 USD
As of October 30, 2026
Save $976 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,180 USD at MOH London · As of November 1, 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 LG778659548 or 778659548. Listed at 18 retailers as of October 30, 2026, with prices from $204 to $1,180, a $976 spread on the same certified stone. MOH London lists it at $1,180. 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 angle40.8°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778659548
Dimensions7.98 × 3.75 × 3.75 mm
L/W Ratio2.13
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.98 mm3.75 mm1.50 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778659548
Side View
Table 66.0%Crown 40.8°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 66.7%

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: $1,180 USD|Low: $198 USD|High: $1,208 USD|Avg: $605 USD|-2.2%
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
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Retailer 18
November 1, 2026
Retailer 16$204 USD
Retailer 15$227 USD
Retailer 11$236 USD
Retailer 5$252 USD
Retailer 7$254 USD
Retailer 2$436 USD
Retailer 17$437 USD
Retailer 9$485 USD
Retailer 14$583 USD
Retailer 6$592 USD
Retailer 13$655 USD
Retailer 12$811 USD
Retailer 18$820 USD
Retailer 8$855 USD
Retailer 4$865 USD
Retailer 10$980 USD
Retailer 3$1,017 USD
MOH London$1,180 USD

33 data points across 18 retailers

18 retailers$204 USD to $1,180 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 7 days ago
A
Retailer 6
-
$436 USD
ZAR 7,039 ZAR
View
B+
Retailer 7
-
$437 USD
View
A
Retailer 8
-
$485 USD
View
A
Retailer 9
-
$583 USD
View
A
Retailer 10
-
$592 USD
A$910 AUD
View
B+
Retailer 11
-
$655 USD
View
B+
Retailer 12
-
$811 USD
View
B+
Retailer 13
-
$820 USD
SGD 1,108 SGD
View
B+
Retailer 14
-
$855 USD
View
B+
Retailer 15
-
$865 USD
View
B+
Retailer 16
-
$980 USD
View
B+
Retailer 17
-
$1,017 USD
View
Most Expensive
B
MOH London
LG778659548 · Nov 1
$1,180 USD
£929 GBP
View
17 more retailers have this diamond
Prices start from $204 USDSave up to $976 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