Cushion|Lab Grown|IGI

1.04ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG807674261

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG807674261

Diamond specifications and retailer prices

From £116 GBP
As of November 6, 2026
Save £632 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £748 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.04ct lab-grown cushion diamond

This 1.04ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG807674261 or 807674261. Listed at 11 retailers as of November 6, 2026, with prices from £116 to £748, a £632 spread on the same certified stone. Reve Diamonds lists it at £748. 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

1.04
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807674261
Dimensions7.55 × 5.01 × 3.34 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.55 mm5.01 mm1.04 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG807674261
Side View
Table 64.0%Crown 35.3°Girdle: STK-VTKPavilion 38.1°Culet: NoneDepth 66.7%

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: Nov 6
Current: £218 GBP|Low: £107 GBP|High: £1,006 GBP|Avg: £311 GBP|+13.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
November 6, 2026
Retailer 5£116 GBP
Retailer 7£129 GBP
Retailer 10£176 GBP
Retailer 1£218 GBP
Retailer 4£226 GBP
Retailer 6£245 GBP
Retailer 8£249 GBP
Retailer 9£313 GBP
Retailer 2£456 GBP
Retailer 3£602 GBP
Reve Diamonds£748 GBP

43 data points across 11 retailers

11 retailers£116 GBP to £748 GBP

A
Cheapest Retailer
-
£116 GBP
Final sale: no returns
Retailer 2
-
£129 GBP
View
Price last confirmed 22 days ago
B+
Retailer 3
-
£176 GBP
View
A
Retailer 4
-
£218 GBP
View
A
Retailer 5
-
£226 GBP
View
A
Retailer 6
-
£245 GBP
View
A
Retailer 7
-
£249 GBP
View
B+
Retailer 8
-
£313 GBP
View
B+
Retailer 9
-
£456 GBP
View
B
Retailer 10
-
£602 GBP
View
Most Expensive
B
Reve Diamonds
3F805788A · Nov 6
£748 GBP
$1,001 USD
View
10 more retailers have this diamond
Prices start from £116 GBPSave up to £632 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
1.04ct Cushion
£116 GBP