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Cushion|Lab Grown|IGI

5.31ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG768630668

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768630668

Diamond specifications and retailer prices

From HK$66,422 HKD
$8,466 USD
As of October 30, 2026
Save HK$238,133 HKD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$304,554 HKD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.31ct lab-grown cushion diamond

This 5.31ct 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 LG768630668 or 768630668. Listed at 14 retailers as of October 30, 2026, with prices from HK$66,422 to HK$304,554, a HK$238,133 spread on the same certified stone. With Clarity lists it at HK$304,554. 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

5.31
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630668
Dimensions11.53 × 9.47 × 6.29 mm
L/W Ratio1.22
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
11.53 mm9.47 mm5.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630668
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 36°Culet: NoneDepth 66.4%

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$90,316 HKD|Low: HK$66,422 HKD|High: HK$311,317 HKD|Avg: HK$151,251 HKD|-17.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
October 31, 2026
Retailer 7HK$66,422 HKD
Retailer 5HK$80,238 HKD
Retailer 12HK$81,645 HKD
Retailer 3HK$84,263 HKD
Retailer 6HK$87,809 HKD
Retailer 1HK$90,316 HKD
Retailer 13HK$126,313 HKD
Retailer 9HK$131,102 HKD
Retailer 8HK$136,994 HKD
Retailer 2HK$139,965 HKD
Retailer 11HK$152,167 HKD
Retailer 4HK$210,803 HKD
Retailer 10HK$240,983 HKD
With ClarityHK$304,554 HKD

38 data points across 14 retailers

14 retailersHK$66,422 HKD to HK$304,554 HKD

A
Cheapest Retailer
-
HK$66,422 HKD
$8,466 USD
A
Retailer 2
-
HK$80,238 HKD
$10,227 USD
View
A
Retailer 3
-
HK$81,645 HKD
View
Retailer 4
-
HK$84,263 HKD
$10,740 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
HK$87,809 HKD
$11,192 USD
View
A
Retailer 6
-
HK$90,316 HKD
£9,064 GBP
View
A
Retailer 7
-
HK$126,313 HKD
€15,333 EUR
View
B+
Retailer 8
-
HK$131,102 HKD
$16,710 USD
View
B+
Retailer 9
-
HK$136,994 HKD
$17,461 USD
View
B+
Retailer 10
-
HK$139,965 HKD
£14,047 GBP
View
B+
Retailer 11
-
HK$152,167 HKD
ZAR 313,328 ZAR
View
B
Retailer 12
-
HK$210,803 HKD
$26,869 USD
View
B
Retailer 13
-
HK$240,983 HKD
$30,715 USD
View
Most Expensive
B
With Clarity
768630668 · Oct 31
HK$304,554 HKD
$38,818 USD
View
13 more retailers have this diamond
Prices start from HK$66,422 HKDSave up to HK$238,133 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
5.31ct Cushion
HK$66,422 HKD