Round|Lab Grown|IGI

1.50ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG794614463

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794614463

Diamond specifications and retailer prices

From $342 NZD
As of November 5, 2026
Save $1,635 NZD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,977 NZD at MOH London · As of November 5, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794614463 or 794614463. Listed at 17 retailers as of November 5, 2026, with prices from $342 to $1,977, a $1,635 spread on the same certified stone. MOH London lists it at $1,977. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794614463
Dimensions7.52 × 7.48 × 4.35 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
7.52 mm7.48 mm1.50 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794614463
Side View
Table 60.0%Crown 32.2°Girdle: MediumPavilion 40.1°Culet: NoneDepth 58.0%

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: $1,977 NZD|Low: $342 NZD|High: $2,042 NZD|Avg: $938 NZD|-2.9%
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 6$342 NZD
Retailer 16$381 NZD
Retailer 15$397 NZD
Retailer 12$423 NZD
Retailer 7$427 NZD
Retailer 3$742 NZD
Retailer 2$751 NZD
Retailer 9$761 NZD
Retailer 8$797 NZD
Retailer 14$1,016 NZD
Retailer 10$1,124 NZD
Retailer 11$1,227 NZD
Retailer 13$1,363 NZD
Retailer 4$1,386 NZD
Retailer 5$1,457 NZD
MOH London$1,977 NZD

29 data points across 16 retailers

17 retailers$342 NZD to $1,977 NZD

A
Cheapest Retailer
-
$342 NZD
A
Retailer 2
-
$381 NZD
View
Final sale: no returns
A
Retailer 3
-
$397 NZD
View
A
Retailer 4
-
$423 NZD
View
Retailer 5
-
$427 NZD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$742 NZD
View
A
Retailer 7
-
$751 NZD
View
A
Retailer 8
-
$761 NZD
View
B+
Retailer 9
-
$797 NZD
View
B+
Retailer 10
-
$1,016 NZD
View
B+
Retailer 11
-
$1,124 NZD
View
B+
Retailer 12
-
$1,227 NZD
View
B
Retailer 13
-
$1,363 NZD
View
B+
Retailer 14
-
$1,386 NZD
View
B+
Retailer 15
-
$1,457 NZD
View
B
Retailer 16
-
$1,512 NZD
View
Most Expensive
B
MOH London
LG794614463 · Nov 5
$1,977 NZD
£875 GBP
View
16 more retailers have this diamond
Prices start from $342 NZDSave up to $1,635 NZD

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
$342 NZD