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Cushion|Lab Grown|IGI

1.28ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG825660202

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825660202

Diamond specifications and retailer prices

From HK$3,758 HKD
$479 USD
As of November 1, 2026
Save HK$15,543 HKD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$19,301 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825660202 or 825660202. Listed at 15 retailers as of October 31, 2026, with prices from HK$3,758 to HK$19,301, a HK$15,543 spread on the same certified stone. Brilliant Earth lists it at HK$19,301. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.9°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660202
Dimensions8.30 × 5.50 × 3.68 mm
L/W Ratio1.51
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
8.30 mm5.50 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660202
Side View
Table 61.0%Crown 30.9°Girdle: MED-THKPavilion 34.3°Culet: NoneDepth 66.9%

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: Nov 1
Current: HK$19,301 HKD|Low: HK$3,758 HKD|High: HK$22,590 HKD|Avg: HK$10,653 HKD|-10.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 15HK$3,758 HKD
Retailer 12HK$4,033 HKD
Retailer 11HK$5,178 HKD
Retailer 10HK$6,327 HKD
Retailer 3HK$6,379 HKD
Retailer 8HK$6,582 HKD
Retailer 2HK$6,954 HKD
Retailer 13HK$7,101 HKD
Retailer 4HK$9,721 HKD
Retailer 6HK$13,025 HKD
Retailer 14HK$13,230 HKD
Retailer 5HK$14,010 HKD
Retailer 9HK$14,807 HKD
Retailer 7HK$15,545 HKD
Brilliant EarthHK$19,301 HKD

37 data points across 15 retailers

15 retailersHK$3,758 HKD to HK$19,301 HKD

A
Cheapest Retailer
-
HK$3,758 HKD
$479 USD
Final sale: no returns
Retailer 2
-
HK$4,033 HKD
$514 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
HK$5,178 HKD
$660 USD
View
A
Retailer 4
-
HK$6,327 HKD
€768 EUR
View
A
Retailer 5
-
HK$6,379 HKD
$813 USD
View
A
Retailer 6
-
HK$6,582 HKD
£661 GBP
View
A
Retailer 7
-
HK$6,954 HKD
ZAR 14,318 ZAR
View
A
Retailer 8
-
HK$7,101 HKD
$905 USD
View
B+
Retailer 9
-
HK$9,721 HKD
$1,239 USD
View
Retailer 10
-
HK$13,025 HKD
$1,660 USD
View
Price last confirmed 19 days ago
B+
Retailer 11
-
HK$13,230 HKD
$1,686 USD
View
B+
Retailer 12
-
HK$14,010 HKD
SGD 2,413 SGD
View
B+
Retailer 13
-
HK$14,807 HKD
£1,486 GBP
View
Retailer 14
-
HK$15,545 HKD
£1,560 GBP
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
21434032A · Oct 31
HK$19,301 HKD
$2,460 USD
View
14 more retailers have this diamond
Prices start from HK$3,758 HKDSave up to HK$15,543 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
1.28ct Cushion
HK$3,758 HKD