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Cushion|Lab Grown|IGI

5.39ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG817695377

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

Certificate IGI LG817695377

Diamond specifications and retailer prices

From HK$60,059 HKD
$7,655 USD
As of October 30, 2026
Save HK$242,212 HKD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$302,271 HKD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.39ct lab-grown cushion diamond

This 5.39ct 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 LG817695377 or 817695377. Listed at 18 retailers as of October 30, 2026, with prices from HK$60,059 to HK$302,271, a HK$242,212 spread on the same certified stone. With Clarity lists it at HK$302,271. 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

5.39
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817695377
Dimensions10.43 × 9.54 × 6.43 mm
L/W Ratio1.09
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
10.43 mm9.54 mm5.39 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817695377
Side View
Table 58.0%Crown 34.3°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 67.4%

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$130,547 HKD|Low: HK$60,059 HKD|High: HK$302,271 HKD|Avg: HK$132,228 HKD|-18.1%
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
Retailer 14
Retailer 15
Retailer 16
With Clarity
October 31, 2026
Retailer 3HK$60,059 HKD
Retailer 9HK$64,970 HKD
Retailer 2HK$66,885 HKD
Retailer 7HK$67,300 HKD
Retailer 6HK$77,947 HKD
Retailer 10HK$82,882 HKD
Retailer 15HK$84,027 HKD
Retailer 4HK$87,480 HKD
Retailer 5HK$96,372 HKD
Retailer 1HK$130,547 HKD
Retailer 14HK$132,851 HKD
Retailer 12HK$133,063 HKD
Retailer 11HK$135,440 HKD
Retailer 13HK$136,734 HKD
Retailer 8HK$225,380 HKD
Retailer 16HK$275,991 HKD
With ClarityHK$302,271 HKD

30 data points across 17 retailers

18 retailersHK$60,059 HKD to HK$302,271 HKD

A
Cheapest Retailer
-
HK$60,059 HKD
$7,655 USD
A
Retailer 2
-
HK$64,970 HKD
$8,281 USD
View
Final sale: no returns
A
Retailer 3
-
HK$66,885 HKD
$8,525 USD
View
Retailer 4
-
HK$67,300 HKD
$8,578 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
HK$77,947 HKD
$9,935 USD
View
A
Retailer 6
-
HK$82,882 HKD
£8,318 GBP
View
Retailer 7
-
HK$84,027 HKD
$10,710 USD
View
Price last confirmed 12 days ago
A
Retailer 8
-
HK$87,480 HKD
$11,150 USD
View
A
Retailer 9
-
HK$96,372 HKD
£9,672 GBP
View
A
Retailer 10
-
HK$124,958 HKD
$15,927 USD
View
B+
Retailer 11
-
HK$130,547 HKD
€15,847 EUR
View
B+
Retailer 12
-
HK$132,851 HKD
£13,333 GBP
View
B+
Retailer 13
-
HK$133,063 HKD
$16,960 USD
View
B+
Retailer 14
-
HK$135,440 HKD
$17,263 USD
View
B+
Retailer 15
-
HK$136,734 HKD
ZAR 281,549 ZAR
View
B+
Retailer 16
-
HK$225,380 HKD
$28,727 USD
View
B
Retailer 17
-
HK$275,991 HKD
SGD 47,537 SGD
View
Most Expensive
B
With Clarity
817695377 · Oct 31
HK$302,271 HKD
$38,527 USD
View
17 more retailers have this diamond
Prices start from HK$60,059 HKDSave up to HK$242,212 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
5.39ct Cushion
HK$60,059 HKD