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Cushion|Lab Grown|IGI

2.80ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG830628589

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830628589

Diamond specifications and retailer prices

From HK$12,169 HKD
$1,551 USD
As of October 30, 2026
Save HK$45,811 HKD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$57,980 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.8ct lab-grown cushion diamond

This 2.8ct 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 LG830628589 or 830628589. Listed at 10 retailers as of October 30, 2026, with prices from HK$12,169 to HK$57,980, a HK$45,811 spread on the same certified stone. Brilliant Earth lists it at HK$57,980. 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

2.80
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830628589
Dimensions9.62 × 7.60 × 4.95 mm
L/W Ratio1.27
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
9.62 mm7.60 mm2.80 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830628589
Side View
Table 59.0%Crown 34.2°Girdle: MED-THKPavilion 35.2°Culet: NoneDepth 65.1%

Caratlytics Score

How it works →
A
Excellent
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 30
Current: HK$57,980 HKD|Low: HK$12,169 HKD|High: HK$90,932 HKD|Avg: HK$40,682 HKD|-35.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 4HK$12,169 HKD
Retailer 7HK$12,592 HKD
Retailer 8HK$20,132 HKD
Retailer 2HK$23,305 HKD
Retailer 3HK$25,169 HKD
Retailer 9HK$36,468 HKD
Retailer 5HK$37,338 HKD
Retailer 10HK$47,388 HKD
Retailer 6HK$52,958 HKD
Brilliant EarthHK$57,980 HKD

34 data points across 10 retailers

10 retailersHK$12,169 HKD to HK$57,980 HKD

A
Cheapest Retailer
-
HK$12,169 HKD
$1,551 USD
A
Retailer 2
-
HK$12,592 HKD
$1,605 USD
View
A
Retailer 3
-
HK$20,132 HKD
$2,566 USD
View
A
Retailer 4
-
HK$23,305 HKD
€2,829 EUR
View
A
Retailer 5
-
HK$25,169 HKD
$3,208 USD
View
B+
Retailer 6
-
HK$36,468 HKD
£3,660 GBP
View
B+
Retailer 7
-
HK$37,338 HKD
$4,759 USD
View
Retailer 8
-
HK$47,388 HKD
$6,040 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
HK$52,958 HKD
$6,750 USD
View
Most Expensive
B
Brilliant Earth
21286275A · Oct 30
HK$57,980 HKD
$7,390 USD
View
9 more retailers have this diamond
Prices start from HK$12,169 HKDSave up to HK$45,811 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
2.80ct Cushion
HK$12,169 HKD