Cushion|Lab Grown|IGI

5.55ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846663131

Shape and cutting style on the report: Round cornered rectangular mixed cut

Certificate IGI LG846663131

Diamond specifications and retailer prices

From HK$78,065 HKD
$9,950 USD
As of October 31, 2026
Save HK$239,969 HKD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$318,033 HKD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.55ct lab-grown cushion diamond

This 5.55ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663131 or 846663131. Listed at 9 retailers as of October 31, 2026, with prices from HK$78,065 to HK$318,033, a HK$239,969 spread on the same certified stone. With Clarity lists it at HK$318,033. 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

5.55
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663131
Dimensions11.61 × 8.13 × 5.36 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizeLarge
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
11.61 mm8.13 mm5.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663131
Side View
Table 63.0%Crown 31.7°Girdle: STK-THKPavilion 40.1°Culet: LargeDepth 65.9%

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: Oct 31
Current: HK$164,140 HKD|Low: HK$74,848 HKD|High: HK$464,034 HKD|Avg: HK$164,142 HKD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 31, 2026
Retailer 3HK$78,065 HKD
Retailer 4HK$83,392 HKD
Retailer 8HK$96,322 HKD
Retailer 7HK$138,211 HKD
Retailer 2HK$140,408 HKD
Retailer 5HK$142,509 HKD
Retailer 6HK$147,107 HKD
Retailer 1HK$164,140 HKD
With ClarityHK$318,033 HKD

7 data points across 9 retailers

9 retailersHK$78,065 HKD to HK$318,033 HKD

A
Cheapest Retailer
-
HK$78,065 HKD
$9,950 USD
A
Retailer 2
-
HK$83,392 HKD
$10,629 USD
View
A
Retailer 3
-
HK$96,322 HKD
$12,277 USD
View
B+
Retailer 4
-
HK$138,211 HKD
£13,871 GBP
View
B+
Retailer 5
-
HK$140,408 HKD
€17,044 EUR
View
B+
Retailer 6
-
HK$142,509 HKD
$18,164 USD
View
B+
Retailer 7
-
HK$147,107 HKD
$18,750 USD
View
B+
Retailer 8
-
HK$164,140 HKD
$20,921 USD
View
Most Expensive
B
With Clarity
846663131 · Oct 31
HK$318,033 HKD
$40,536 USD
View
8 more retailers have this diamond
Prices start from HK$78,065 HKDSave up to HK$239,969 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
5.55ct Cushion
HK$78,065 HKD