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Cushion|Lab Grown|IGI

4.18ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG784649771

Shape and cutting style on the report: Rectangular cushion mixed cut

Certificate IGI LG784649771

Diamond specifications and retailer prices

From HK$43,096 HKD
$5,493 USD
As of October 31, 2026
Save HK$264,298 HKD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$307,395 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.18ct lab-grown cushion diamond

This 4.18ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784649771 or 784649771. Listed at 14 retailers as of October 31, 2026, with prices from HK$43,096 to HK$307,395, a HK$264,298 spread on the same certified stone. Do Amore Diamonds lists it at HK$307,395. 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

4.18
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle44°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784649771
Dimensions11.30 × 7.71 × 4.89 mm
L/W Ratio1.47
Girdle conditionPARTLY FACETED
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
11.30 mm7.71 mm4.18 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784649771
Side View
Table 66.0%Crown 43.3°Girdle: MED-STKPavilion 44°Culet: LargeDepth 63.4%

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 31
Current: HK$307,395 HKD|Low: HK$36,577 HKD|High: HK$326,616 HKD|Avg: HK$113,319 HKD
Do Amore Diamonds
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
November 1, 2026
Retailer 14HK$43,096 HKD
Retailer 4HK$50,079 HKD
Retailer 10HK$54,998 HKD
Retailer 13HK$55,069 HKD
Retailer 8HK$57,729 HKD
Retailer 7HK$76,400 HKD
Retailer 5HK$86,807 HKD
Retailer 12HK$89,755 HKD
Retailer 2HK$121,531 HKD
Retailer 9HK$129,385 HKD
Retailer 11HK$136,374 HKD
Retailer 3HK$151,574 HKD
Retailer 6HK$208,739 HKD
Do Amore DiamondsHK$307,395 HKD

36 data points across 14 retailers

14 retailersHK$43,096 HKD to HK$307,395 HKD

A
Cheapest Retailer
-
HK$43,096 HKD
$5,493 USD
A
Retailer 2
-
HK$50,079 HKD
$6,383 USD
View
A
Retailer 3
-
HK$54,998 HKD
$7,010 USD
View
Retailer 4
-
HK$55,069 HKD
$7,019 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
HK$57,729 HKD
$7,358 USD
View
Final sale: no returns
B+
Retailer 6
-
HK$76,400 HKD
£7,668 GBP
View
B+
Retailer 7
-
HK$86,807 HKD
£8,712 GBP
View
B+
Retailer 8
-
HK$89,755 HKD
$11,440 USD
View
B+
Retailer 9
-
HK$121,531 HKD
£12,197 GBP
View
B+
Retailer 10
-
HK$129,385 HKD
ZAR 266,416 ZAR
View
B
Retailer 11
-
HK$136,374 HKD
$17,382 USD
View
B
Retailer 12
-
HK$151,574 HKD
$19,319 USD
View
B
Retailer 13
-
HK$208,739 HKD
$26,606 USD
View
Most Expensive
B
Do Amore Diamonds
20-E75750 · Oct 31
HK$307,395 HKD
$39,180 USD
View
13 more retailers have this diamond
Prices start from HK$43,096 HKDSave up to HK$264,298 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
4.18ct Cushion
HK$43,096 HKD