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Cushion|Lab Grown|IGI

2.85ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG727508453

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG727508453

Diamond specifications and retailer prices

From £1,050 GBP
$1,398 USD
As of October 28, 2026
Save £5,281 GBP (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £6,330 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG727508453 or 727508453. Listed at 13 retailers as of October 28, 2026, with prices from £1,050 to £6,330, a £5,281 spread on the same certified stone. Do Amore Diamonds lists it at £6,330. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727508453
Dimensions8.21 × 8.05 × 5.36 mm
L/W Ratio1.02
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
8.21 mm8.05 mm2.85 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727508453
Side View
Table 63.0%Crown 37°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 66.6%

Caratlytics Score

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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 28
Current: £6,330 GBP|Low: £1,050 GBP|High: £7,712 GBP|Avg: £3,099 GBP|-17.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 5£1,050 GBP
Retailer 10£1,059 GBP
Retailer 13£1,059 GBP
Retailer 9£1,493 GBP
Retailer 6£1,500 GBP
Retailer 2£1,866 GBP
Retailer 8£2,368 GBP
Retailer 11£2,513 GBP
Retailer 7£3,113 GBP
Retailer 12£4,100 GBP
Retailer 3£5,503 GBP
Retailer 4£5,865 GBP
Do Amore Diamonds£6,330 GBP

31 data points across 13 retailers

13 retailers£1,050 GBP to £6,330 GBP

A
Cheapest Retailer
-
£1,050 GBP
$1,398 USD
Final sale: no returns
A
Retailer 2
-
£1,059 GBP
$1,410 USD
View
A
Retailer 3
-
£1,059 GBP
$1,410 USD
View
A
Retailer 4
-
£1,493 GBP
$1,988 USD
View
A
Retailer 5
-
£1,500 GBP
€1,903 EUR
View
A
Retailer 6
-
£1,866 GBP
$2,485 USD
View
A
Retailer 7
-
£2,368 GBP
$3,154 USD
View
Retailer 8
-
£2,513 GBP
A$5,148 AUD
View
Price last confirmed 7 days ago
A
Retailer 9
-
£3,113 GBP
View
B+
Retailer 10
-
£4,100 GBP
$5,460 USD
View
Retailer 11
-
£5,503 GBP
A$11,275 AUD
View
Price last confirmed 21 days ago
B
Retailer 12
-
£5,865 GBP
$7,810 USD
View
Most Expensive
B
Do Amore Diamonds
27-F9981EA56 · Oct 30
£6,330 GBP
$8,430 USD
View
12 more retailers have this diamond
Prices start from £1,050 GBPSave up to £5,281 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
£1,050 GBP