Cushion|Lab Grown|IGI

2.85ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG818680070

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818680070

Diamond specifications and retailer prices

From $1,331 USD
As of October 28, 2026
Save $9,049 USD (87%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,380 USD at Brilliant Earth · As of October 26, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818680070 or 818680070. Listed at 7 retailers as of October 26, 2026, with prices from $1,331 to $10,380, a $9,049 spread on the same certified stone. Brilliant Earth lists it at $10,380. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818680070
Dimensions9.11 × 7.33 × 4.92 mm
L/W Ratio1.24
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
9.11 mm7.33 mm2.85 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818680070
Side View
Table 63.0%Crown 34.6°Girdle: STK-THKPavilion 32.9°CuletDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $10,380 USD|Low: $1,331 USD|High: $10,710 USD|Avg: $3,833 USD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 28, 2026
Retailer 3$1,331 USD
Retailer 2$1,800 USD
Retailer 5$2,169 USD
Retailer 4$2,280 USD
Retailer 7$2,751 USD
Retailer 6$3,882 USD
Brilliant Earth$10,380 USD

31 data points across 7 retailers

7 retailers$1,331 USD to $10,380 USD

A
Cheapest Retailer
-
$1,331 USD
A
Retailer 2
-
$1,800 USD
View
A
Retailer 3
-
$2,169 USD
€2,066 EUR
View
A
Retailer 4
-
$2,280 USD
View
Retailer 5
-
$2,751 USD
A$4,233 AUD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$3,882 USD
£3,057 GBP
View
Most Expensive
B
Brilliant Earth
21107885A · Oct 26
$10,380 USD
View
6 more retailers have this diamond
Prices start from $1,331 USDSave up to $9,049 USD

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
$1,331 USD