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Cushion|Lab Grown|IGI

3.52ct H SI1 Cushion Lab Grown Diamond

ID • H/SI1 • IGI LG536299947

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG536299947

Diamond specifications and retailer prices

From £1,741 GBP
As of November 6, 2026
Save £7,571 GBP (81%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £13,291 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.52ct lab-grown cushion diamond

This 3.52ct 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 LG536299947 or 536299947. Listed at 6 retailers as of November 6, 2026, with a 435% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.52
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536299947
Dimensions9.52 × 8.31 × 5.68 mm
L/W Ratio1.15
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
9.52 mm8.31 mm3.52 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536299947
Side View
Table 61.5%Crown 35.3°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 68.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £13,291 GBP|Low: £1,741 GBP|High: £13,506 GBP|Avg: £7,735 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3£1,741 GBP
Retailer 8£6,111 GBP
Retailer 6£7,254 GBP
Retailer 5£7,319 GBP
Retailer 7£7,485 GBP
Retailer 4£8,470 GBP
Retailer 2£9,312 GBP
MOH London£13,291 GBP

39 data points across 8 retailers

6 retailers£1,741 GBP to £9,312 GBP

B+
Cheapest Retailer
-
£1,741 GBP
B
Retailer 2
-
£7,254 GBP
View
Retailer 3
-
£7,319 GBP
View
Price last confirmed 26 days ago
B
Retailer 4
-
£8,470 GBP
View
B
Retailer 5
-
£9,312 GBP
View
Most Expensive
MOH London
LG536299947 · Nov 5
£13,291 GBP
View
Price under review
5 more retailers have this diamond
Prices start from £1,741 GBPSave up to £7,571 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.

B+
3.52ct Cushion
£1,741 GBP