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Cushion|Lab Grown|IGI

2.85ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804666410

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804666410

Diamond specifications and retailer prices

From £1,569 GBP
$2,090 USD
As of October 29, 2026
Save £6,991 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £8,561 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.85ct lab-grown cushion diamond

This 2.85ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804666410 or 804666410. Listed at 12 retailers as of October 29, 2026, with prices from £1,569 to £8,561, a £6,991 spread on the same certified stone. Brilliant Earth lists it at £8,561. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.85
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804666410
Dimensions9.51 × 7.42 × 5.01 mm
L/W Ratio1.28
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
9.51 mm7.42 mm2.85 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804666410
Side View
Table 57.0%Crown 36.7°Girdle: MED-STKPavilion 35°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
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: Oct 29
Current: £8,561 GBP|Low: £1,569 GBP|High: £8,846 GBP|Avg: £3,979 GBP|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 11£1,569 GBP
Retailer 7£1,653 GBP
Retailer 5£1,917 GBP
Retailer 4£2,151 GBP
Retailer 8£2,163 GBP
Retailer 3£2,532 GBP
Retailer 12£3,720 GBP
Retailer 9£4,095 GBP
Retailer 10£4,558 GBP
Retailer 6£4,757 GBP
Retailer 2£5,215 GBP
Brilliant Earth£8,561 GBP

41 data points across 12 retailers

12 retailers£1,569 GBP to £8,561 GBP

A
Cheapest Retailer
-
£1,569 GBP
$2,090 USD
A
Retailer 2
-
£1,653 GBP
HK$17,200 HKD
View
A
Retailer 3
-
£1,917 GBP
View
A
Retailer 4
-
£2,151 GBP
$2,865 USD
View
A
Retailer 5
-
£2,163 GBP
€2,743 EUR
View
A
Retailer 6
-
£2,532 GBP
$3,372 USD
View
B+
Retailer 7
-
£3,720 GBP
$4,953 USD
View
B+
Retailer 8
-
£4,095 GBP
View
Retailer 9
-
£4,558 GBP
$6,070 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£4,757 GBP
$6,335 USD
View
B+
Retailer 11
-
£5,215 GBP
$6,945 USD
View
Most Expensive
B
Brilliant Earth
20502481A · Oct 29
£8,561 GBP
$11,400 USD
View
11 more retailers have this diamond
Prices start from £1,569 GBPSave up to £6,991 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
2.85ct Cushion
£1,569 GBP