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Cushion|Lab Grown|IGI

2.85ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816625889

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816625889

Diamond specifications and retailer prices

From £1,199 GBP
$1,597 USD
As of October 29, 2026
Save £7,286 GBP (86%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £8,486 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 LG816625889 or 816625889. Listed at 9 retailers as of October 29, 2026, with prices from £1,199 to £8,486, a £7,286 spread on the same certified stone. Brilliant Earth lists it at £8,486. 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 angle35°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816625889
Dimensions9.29 × 7.59 × 5.10 mm
L/W Ratio1.22
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
9.29 mm7.59 mm2.85 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816625889
Side View
Table 56.0%Crown 35°Girdle: THK-VTKPavilion 34.8°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: £8,486 GBP|Low: £1,199 GBP|High: £10,490 GBP|Avg: £4,078 GBP|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 5£1,199 GBP
Retailer 8£1,201 GBP
Retailer 4£1,738 GBP
Retailer 9£1,925 GBP
Retailer 2£2,060 GBP
Retailer 3£3,478 GBP
Retailer 7£4,506 GBP
Retailer 6£6,511 GBP
Brilliant Earth£8,486 GBP

28 data points across 9 retailers

9 retailers£1,199 GBP to £8,486 GBP

A+
Cheapest Retailer
-
£1,199 GBP
$1,597 USD
A
Retailer 2
-
£1,201 GBP
$1,600 USD
View
A
Retailer 3
-
£1,738 GBP
$2,315 USD
View
A
Retailer 4
-
£1,925 GBP
$2,564 USD
View
A
Retailer 5
-
£2,060 GBP
€2,613 EUR
View
B+
Retailer 6
-
£3,478 GBP
View
Retailer 7
-
£4,506 GBP
$6,000 USD
View
Price last confirmed 8 days ago
B
Retailer 8
-
£6,511 GBP
$8,670 USD
View
Most Expensive
B
Brilliant Earth
20785816Y · Oct 29
£8,486 GBP
$11,300 USD
View
8 more retailers have this diamond
Prices start from £1,199 GBPSave up to £7,286 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
£1,199 GBP