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Cushion|Lab Grown|IGI

2.85ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780665471

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

Certificate IGI LG780665471

Diamond specifications and retailer prices

From HK$12,467 HKD
$1,589 USD
As of October 29, 2026
Save HK$74,071 HKD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$86,538 HKD 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780665471 or 780665471. Listed at 11 retailers as of October 29, 2026, with prices from HK$12,467 to HK$86,538, a HK$74,071 spread on the same certified stone. Do Amore Diamonds lists it at HK$86,538. 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 angle34.2°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665471
Dimensions8.27 × 8.16 × 5.45 mm
L/W Ratio1.01
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
8.27 mm8.16 mm2.85 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665471
Side View
Table 57.0%Crown 34.2°Girdle: STK-VTKPavilion 38.4°Culet: NoneDepth 66.8%

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: HK$86,538 HKD|Low: HK$12,467 HKD|High: HK$103,092 HKD|Avg: HK$38,980 HKD|-16.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8HK$12,467 HKD
Retailer 6HK$12,671 HKD
Retailer 7HK$17,920 HKD
Retailer 3HK$18,767 HKD
Retailer 11HK$20,101 HKD
Retailer 4HK$21,213 HKD
Retailer 9HK$31,801 HKD
Retailer 5HK$40,315 HKD
Retailer 10HK$46,996 HKD
Retailer 2HK$58,529 HKD
Do Amore DiamondsHK$86,538 HKD

32 data points across 11 retailers

11 retailersHK$12,467 HKD to HK$86,538 HKD

A+
Cheapest Retailer
-
HK$12,467 HKD
$1,589 USD
A
Retailer 2
-
HK$12,671 HKD
$1,615 USD
View
A
Retailer 3
-
HK$17,920 HKD
$2,284 USD
View
A
Retailer 4
-
HK$18,767 HKD
$2,392 USD
View
Final sale: no returns
A
Retailer 5
-
HK$20,101 HKD
$2,562 USD
View
A
Retailer 6
-
HK$21,213 HKD
€2,575 EUR
View
A
Retailer 7
-
HK$31,801 HKD
$4,053 USD
View
B+
Retailer 8
-
HK$40,315 HKD
£4,046 GBP
View
Retailer 9
-
HK$46,996 HKD
$5,990 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
HK$58,529 HKD
$7,460 USD
View
Most Expensive
B
Do Amore Diamonds
27-6198CF026 · Oct 30
HK$86,538 HKD
$11,030 USD
View
10 more retailers have this diamond
Prices start from HK$12,467 HKDSave up to HK$74,071 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$12,467 HKD