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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 £323 GBP
$433 USD
As of November 1, 2026
Save £1,153 GBP (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,476 GBP 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 £323 to £1,476, a £1,153 spread on the same certified stone. MOH London lists it at £1,476. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,476 GBP|Low: £257 GBP|High: £1,481 GBP|Avg: £683 GBP|+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
November 1, 2026
Retailer 5£323 GBP
Retailer 10£362 GBP
Retailer 2£393 GBP
Retailer 3£401 GBP
Retailer 14£401 GBP
Retailer 12£442 GBP
Retailer 13£581 GBP
Retailer 4£631 GBP
Retailer 8£634 GBP
Retailer 9£643 GBP
Retailer 7£655 GBP
Retailer 11£972 GBP
Retailer 6£1,290 GBP
MOH London£1,476 GBP

39 data points across 14 retailers

18 retailers£323 GBP to £1,476 GBP

Retailer 1
-
£320 GBP
$429 USD
Price last confirmed 40 days ago
A
Retailer 2
-
£323 GBP
$433 USD
View
A
Retailer 3
-
£362 GBP
$485 USD
View
Retailer 4
-
£393 GBP
$526 USD
View
Price last confirmed 40 days ago
A
Retailer 5
-
£393 GBP
$527 USD
View
Final sale: no returns
B+
Retailer 6
-
£401 GBP
$537 USD
View
Retailer 7
-
£401 GBP
$537 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£442 GBP
$592 USD
View
Retailer 9
-
£481 GBP
$645 USD
View
Price last confirmed 35 days ago
B
Retailer 10
-
£581 GBP
$779 USD
View
B+
Retailer 11
-
£631 GBP
$846 USD
View
B+
Retailer 12
-
£634 GBP
$850 USD
View
B
Retailer 13
-
£643 GBP
€820 EUR
View
B
Retailer 14
-
£655 GBP
View
B
Retailer 15
-
£972 GBP
$1,302 USD
View
Retailer 16
-
£1,278 GBP
$1,712 USD
View
Price last confirmed 41 days ago
B
Retailer 17
-
£1,290 GBP
$1,728 USD
View
Most Expensive
B
MOH London
LG749569092 · Oct 26
£1,476 GBP
View
17 more retailers have this diamond
Prices start from £323 GBPSave up to £1,153 GBP

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
£323 GBP