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Cushion|Lab Grown|IGI

4.18ct D FL Cushion Lab Grown Diamond

GD • D/FL • IGI LG816625974

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816625974

Diamond specifications and retailer prices

From HK$31,752 HKD
$4,047 USD
As of November 1, 2026
Save HK$166,352 HKD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$198,104 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 standard cut grade and certified by IGI LG816625974 or 816625974. Listed at 9 retailers as of October 31, 2026, with prices from HK$31,752 to HK$198,104, a HK$166,352 spread on the same certified stone. Do Amore Diamonds lists it at HK$198,104. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.18
Carat
D
Colour
FL
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816625974
Dimensions10.12 × 8.46 × 6.18 mm
L/W Ratio1.20
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
10.12 mm8.46 mm4.18 ctD / FL
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816625974
Side View
Table 59.0%Crown 36°Girdle: ThickPavilion 39.5°Culet: NoneDepth 73.0%

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$198,104 HKD|Low: HK$31,752 HKD|High: HK$253,730 HKD|Avg: HK$88,291 HKD|-21.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5HK$31,752 HKD
Retailer 8HK$34,600 HKD
Retailer 7HK$35,996 HKD
Retailer 3HK$51,774 HKD
Retailer 4HK$63,194 HKD
Retailer 9HK$64,060 HKD
Retailer 2HK$78,975 HKD
Retailer 6HK$101,602 HKD
Do Amore DiamondsHK$198,104 HKD

29 data points across 9 retailers

9 retailersHK$31,752 HKD to HK$198,104 HKD

A
Cheapest Retailer
-
HK$31,752 HKD
$4,047 USD
A
Retailer 2
-
HK$34,600 HKD
$4,410 USD
View
A
Retailer 3
-
HK$35,996 HKD
$4,588 USD
View
A
Retailer 4
-
HK$51,774 HKD
$6,599 USD
View
B+
Retailer 5
-
HK$63,194 HKD
€7,671 EUR
View
Retailer 6
-
HK$64,060 HKD
$8,165 USD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
HK$78,975 HKD
£7,926 GBP
View
B
Retailer 8
-
HK$101,602 HKD
$12,950 USD
View
Most Expensive
B
Do Amore Diamonds
27-E8ED55DB1 · Oct 31
HK$198,104 HKD
$25,250 USD
View
8 more retailers have this diamond
Prices start from HK$31,752 HKDSave up to HK$166,352 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$31,752 HKD