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Cushion|Lab Grown|IGI

1.85ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG802608008

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG802608008

Diamond specifications and retailer prices

From £546 GBP
$732 USD
As of October 30, 2026
Save £779 GBP (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,526 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.85ct lab-grown cushion diamond

This 1.85ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG802608008 or 802608008. Listed at 5 retailers as of October 25, 2026, with a 143% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802608008
Dimensions8.39 × 6.27 × 4.18 mm
L/W Ratio1.34
Girdle conditionFaceted
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
8.39 mm6.27 mm1.85 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802608008
Side View
Table 60.0%Crown 35.1°Girdle: MED-THKPavilion 31.4°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 30
Current: £2,526 GBP|Low: £538 GBP|High: £2,526 GBP|Avg: £1,071 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 3£546 GBP
Retailer 4£563 GBP
Retailer 2£866 GBP
Retailer 5£1,325 GBP
Rare Carat£2,526 GBP

22 data points across 5 retailers

5 retailers£546 GBP to £1,325 GBP

A+
Cheapest Retailer
-
£546 GBP
$732 USD
A
Retailer 2
-
£563 GBP
$755 USD
View
A
Retailer 3
-
£866 GBP
$1,160 USD
View
A
Retailer 4
-
£1,325 GBP
View
Most Expensive
Rare Carat
ME-728-265 · Oct 21
£2,526 GBP
$3,385 USD
View
Price last confirmed 10 days ago
4 more retailers have this diamond
Prices start from £546 GBPSave up to £779 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+
1.85ct Cushion
£546 GBP