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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 HK$9,925 HKD
$1,265 USD
As of October 31, 2026
Save HK$71,514 HKD (88%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$81,438 HKD 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 HK$9,925 to HK$81,438, a HK$71,514 spread on the same certified stone. Brilliant Earth lists it at HK$81,438. 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 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

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 31
Current: HK$81,438 HKD|Low: HK$9,925 HKD|High: HK$84,027 HKD|Avg: HK$29,776 HKD|+27.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 2HK$9,925 HKD
Retailer 5HK$10,443 HKD
Retailer 4HK$14,703 HKD
Retailer 3HK$15,263 HKD
Retailer 6HK$17,020 HKD
Retailer 7HK$30,460 HKD
Brilliant EarthHK$81,438 HKD

31 data points across 7 retailers

7 retailersHK$9,925 HKD to HK$81,438 HKD

A
Cheapest Retailer
-
HK$9,925 HKD
$1,265 USD
A
Retailer 2
-
HK$10,443 HKD
$1,331 USD
View
A
Retailer 3
-
HK$14,703 HKD
$1,874 USD
View
A
Retailer 4
-
HK$15,263 HKD
A$2,993 AUD
View
A
Retailer 5
-
HK$17,020 HKD
€2,066 EUR
View
A
Retailer 6
-
HK$30,460 HKD
£3,057 GBP
View
Most Expensive
B
Brilliant Earth
21107885A · Oct 26
HK$81,438 HKD
$10,380 USD
View
6 more retailers have this diamond
Prices start from HK$9,925 HKDSave up to HK$71,514 HKD

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
HK$9,925 HKD