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Cushion|Lab Grown|IGI

3.00ct H SI1 Cushion Lab Grown Diamond

ID • H/SI1 • IGI LG522239696

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522239696

Diamond specifications and retailer prices

From £687 GBP
$920 USD
As of October 31, 2026
Save £1,662 GBP (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,349 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3ct lab-grown cushion diamond

This 3ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522239696 or 522239696. Listed at 7 retailers as of October 29, 2026, with prices from £687 to £2,349, a £1,662 spread on the same certified stone. MOH London lists it at £2,349. 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

3.00
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522239696
Dimensions8.43 × 8.03 × 5.11 mm
L/W Ratio1.05
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
8.43 mm8.03 mm3.00 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522239696
Side View
Table 56.5%Crown 33.1°Girdle: STK-THKPavilion 33°Culet: NoneDepth 63.6%

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 31
Current: £2,349 GBP|Low: £555 GBP|High: £3,454 GBP|Avg: £1,686 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4£555 GBP
Retailer 2£687 GBP
Retailer 6£781 GBP
Retailer 5£907 GBP
Retailer 3£1,478 GBP
Retailer 7£1,519 GBP
MOH London£2,349 GBP
Retailer 8£3,454 GBP

21 data points across 8 retailers

7 retailers£687 GBP to £2,349 GBP

Retailer 1
-
£555 GBP
$743 USD
Price last confirmed 15 days ago
A
Retailer 2
-
£687 GBP
$920 USD
View
A
Retailer 3
-
£781 GBP
$1,047 USD
View
A
Retailer 4
-
£907 GBP
$1,215 USD
View
B+
Retailer 5
-
£1,478 GBP
$1,980 USD
View
B
Retailer 6
-
£1,519 GBP
HK$15,900 HKD
View
Most Expensive
B
MOH London
LG522239696 · Oct 29
£2,349 GBP
View
6 more retailers have this diamond
Prices start from £687 GBPSave up to £1,662 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
3.00ct Cushion
£687 GBP