Round|Lab Grown|IGI

1.50ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG803613582

Shape and cutting style on the report: Round brilliant

Certificate IGI LG803613582

Diamond specifications and retailer prices

From $224 USD
As of November 6, 2026
Save $646 USD (74%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,175 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG803613582 or 803613582. Listed at 18 retailers as of November 5, 2026, with a 288% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803613582
Dimensions7.32 × 7.27 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm7.27 mm1.50 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803613582
Side View
Table 58.0%Crown 33.1°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 62.7%

Caratlytics Score

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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 6
Current: $1,175 USD|Low: $224 USD|High: $1,180 USD|Avg: $585 USD|+11.9%
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
November 6, 2026
Retailer 10$224 USD
Retailer 3$281 USD
Retailer 2$405 USD
Retailer 11$431 USD
Retailer 12$434 USD
Retailer 9$449 USD
Retailer 7$453 USD
Retailer 5$507 USD
Retailer 13$544 USD
Retailer 4$770 USD
Retailer 8$800 USD
Retailer 14$808 USD
Retailer 6$870 USD
MOH London$1,175 USD

43 data points across 14 retailers

18 retailers$224 USD to $870 USD

Retailer 1
-
$207 USD
Price last confirmed 27 days ago
A
Retailer 2
-
$224 USD
View
Final sale: no returns
Retailer 3
-
$240 USD
View
Price last confirmed 24 days ago
Retailer 4
-
$257 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
$281 USD
View
A
Retailer 6
-
$405 USD
View
B+
Retailer 7
-
$431 USD
View
A
Retailer 8
-
$434 USD
View
A
Retailer 9
-
$449 USD
View
A
Retailer 10
-
$453 USD
View
Retailer 11
-
$507 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$544 USD
View
Retailer 13
-
$770 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$800 USD
View
B+
Retailer 15
-
$808 USD
View
Retailer 16
-
$825 USD
View
Price last confirmed 30 days ago
B
Retailer 17
-
$870 USD
View
Most Expensive
MOH London
LG803613582 · Oct 26
$1,175 USD
£925 GBP
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from $224 USDSave up to $646 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 Round
$224 USD