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Cushion|Lab Grown|IGI

0.61ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG835656660

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG835656660

Diamond specifications and retailer prices

From £140 GBP
$188 USD
As of November 1, 2026
Save £721 GBP (84%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £862 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.61ct lab-grown cushion diamond

This 0.61ct lab-grown cushion sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG835656660 or 835656660. Listed at 7 retailers as of October 29, 2026, with prices from £140 to £862, a £721 spread on the same certified stone. MOH London lists it at £862. 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

0.61
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle41.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835656660
Dimensions4.79 × 4.77 × 3.26 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.79 mm4.77 mm0.61 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG835656660
Side View
Table 69.0%Crown 41.5°Girdle: MED-VTKPavilion 39.4°Culet: NoneDepth 68.3%

Caratlytics Score

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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: £862 GBP|Low: £140 GBP|High: £867 GBP|Avg: £331 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6£140 GBP
Retailer 4£188 GBP
Retailer 2£206 GBP
Retailer 5£224 GBP
Retailer 3£299 GBP
Retailer 7£373 GBP
MOH London£862 GBP

41 data points across 7 retailers

7 retailers£140 GBP to £862 GBP

A
Cheapest Retailer
-
£140 GBP
$188 USD
A
Retailer 2
-
£188 GBP
€240 EUR
View
A
Retailer 3
-
£206 GBP
View
A
Retailer 4
-
£224 GBP
View
B+
Retailer 5
-
£299 GBP
$400 USD
View
B
Retailer 6
-
£373 GBP
$500 USD
View
Most Expensive
B
MOH London
LG835656660 · Oct 29
£862 GBP
View
6 more retailers have this diamond
Prices start from £140 GBPSave up to £721 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
0.61ct Cushion
£140 GBP