CaratHunter
Plans
Round|Lab Grown|IGI

1.50ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG492112722

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492112722

Diamond specifications and retailer prices

From $934 USD
As of November 5, 2026
Save $2,740 USD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,674 USD at MOH London · As of November 3, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492112722 or 492112722. Listed at 9 retailers as of November 3, 2026, with prices from $934 to $3,674, a $2,740 spread on the same certified stone. MOH London lists it at $3,674. 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
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492112722
Dimensions7.43 × 7.41 × 4.43 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.43 mm7.41 mm1.50 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492112722
Side View
Table 60.0%Crown 33.1°GirdlePavilion 40.6°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,674 USD|Low: $897 USD|High: $3,724 USD|Avg: $1,895 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 4$934 USD
Retailer 5$1,083 USD
Retailer 7$1,083 USD
Retailer 2$1,260 USD
Retailer 10$1,387 USD
Retailer 8$1,596 USD
Retailer 6$1,735 USD
Retailer 3$2,410 USD
Retailer 9$3,101 USD
MOH London$3,674 USD

17 data points across 10 retailers

9 retailers$934 USD to $3,674 USD

A
Cheapest Retailer
-
$934 USD
B+
Retailer 2
-
$1,016 USD
View
B+
Retailer 3
-
$1,083 USD
View
Retailer 4
-
$1,083 USD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
$1,260 USD
View
B
Retailer 6
-
$1,735 USD
View
B
Retailer 7
-
$2,410 USD
View
C
Retailer 8
-
$3,046 USD
View
Most Expensive
B
MOH London
LG492112722 · Nov 3
$3,674 USD
£2,893 GBP
View
8 more retailers have this diamond
Prices start from $934 USDSave up to $2,740 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
$934 USD