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Cushion|Lab Grown|IGI

0.92ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG512221204

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG512221204

Diamond specifications and retailer prices

From £222 GBP
$295 USD
As of October 28, 2026
Save £767 GBP (78%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,361 GBP at Allurez · As of October 26, 2026
View at Allurez

About this 0.92ct lab-grown cushion diamond

This 0.92ct lab-grown cushion sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512221204 or 512221204. Listed at 6 retailers as of October 28, 2026, with a 346% 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

0.92
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512221204
Dimensions6.23 × 5.01 × 3.49 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.23 mm5.01 mm0.92 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512221204
Side View
Table 64.5%Crown 38.7°Girdle: MED-THKPavilion 38°Culet: NoneDepth 69.7%

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 28
Current: £468 GBP|Low: £158 GBP|High: £1,055 GBP|Avg: £587 GBP|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 5£222 GBP
Retailer 7£333 GBP
Retailer 2£392 GBP
Retailer 4£409 GBP
Retailer 1£468 GBP
Retailer 8£986 GBP
Retailer 3£989 GBP
Retailer 6£1,055 GBP

40 data points across 8 retailers

6 retailers£222 GBP to £989 GBP

A
Cheapest Retailer
-
£222 GBP
$295 USD
Final sale: no returns
B+
Retailer 2
-
£392 GBP
€497 EUR
View
B+
Retailer 3
-
£409 GBP
$544 USD
View
B+
Retailer 4
-
£468 GBP
View
B
Retailer 5
-
£989 GBP
View
Most Expensive
B
Allurez
1919806 · Oct 26
£2,361 GBP
$3,144 USD
View
Price under review
5 more retailers have this diamond
Prices start from £222 GBPSave up to £767 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
0.92ct Cushion
£222 GBP