Round|Lab Grown|IGI

1.56ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG749569092

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749569092

Diamond specifications and retailer prices

From $433 USD
As of October 29, 2026
Save $1,544 USD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,977 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.56ct lab-grown round diamond

This 1.56ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG749569092 or 749569092. Listed at 18 retailers as of October 26, 2026, with prices from $433 to $1,977, a $1,544 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

1.56
Carat
G
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749569092
Dimensions7.44 × 7.50 × 4.54 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
7.44 mm7.50 mm1.56 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749569092
Side View
Table 60.0%Crown 34.2°Girdle: MediumPavilion 41°Culet: NoneDepth 60.7%

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: Oct 29
Current: $1,977 USD|Low: $342 USD|High: $1,985 USD|Avg: $926 USD|+1.1%
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
October 31, 2026
Retailer 5$433 USD
Retailer 2$484 USD
Retailer 10$485 USD
Retailer 3$537 USD
Retailer 14$537 USD
Retailer 12$592 USD
Retailer 13$779 USD
Retailer 4$846 USD
Retailer 8$850 USD
Retailer 9$861 USD
Retailer 7$885 USD
Retailer 11$1,302 USD
Retailer 6$1,728 USD
MOH London$1,977 USD

39 data points across 14 retailers

18 retailers$433 USD to $1,977 USD

Retailer 1
-
$429 USD
Price last confirmed 39 days ago
A
Retailer 2
-
$433 USD
View
A
Retailer 3
-
$484 USD
View
Final sale: no returns
A
Retailer 4
-
$485 USD
View
Retailer 5
-
$526 USD
View
Price last confirmed 39 days ago
B+
Retailer 6
-
$537 USD
View
B+
Retailer 7
-
$537 USD
View
B+
Retailer 8
-
$592 USD
View
Retailer 9
-
$645 USD
View
Price last confirmed 34 days ago
B
Retailer 10
-
$779 USD
View
B+
Retailer 11
-
$846 USD
View
B+
Retailer 12
-
$850 USD
View
B
Retailer 13
-
$861 USD
€820 EUR
View
B
Retailer 14
-
$885 USD
£697 GBP
View
B
Retailer 15
-
$1,302 USD
View
Retailer 16
-
$1,712 USD
View
Price last confirmed 40 days ago
B
Retailer 17
-
$1,728 USD
View
Most Expensive
B
MOH London
LG749569092 · Oct 26
$1,977 USD
£1,557 GBP
View
17 more retailers have this diamond
Prices start from $433 USDSave up to $1,544 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
1.56ct Round
$433 USD