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Marquise|Lab Grown|IGI

4.18ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG817652523

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817652523

Diamond specifications and retailer prices

From HK$65,974 HKD
$8,409 USD
As of October 31, 2026
Save HK$111,158 HKD (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$203,460 HKD at Wholesale Diamonds Direct · As of October 24, 2026
View at Wholesale Diamonds Direct

About this 4.18ct lab-grown marquise diamond

This 4.18ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817652523 or 817652523. Listed at 11 retailers as of October 31, 2026, with a 168% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817652523
Dimensions16.24 × 8.60 × 5.18 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.24 mm8.60 mm4.18 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817652523
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.2%

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$127,336 HKD|Low: HK$59,196 HKD|High: HK$392,622 HKD|Avg: HK$143,173 HKD|-1.6%
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
Retailer 17
Retailer 18
Wholesale Diamonds Direct
October 18, 2026
Retailer 12HK$65,974 HKD
Retailer 18HK$69,019 HKD
Retailer 11HK$71,311 HKD
Retailer 7HK$77,280 HKD
Retailer 14HK$89,049 HKD
Retailer 4HK$90,430 HKD
Retailer 3HK$95,985 HKD
Retailer 6HK$111,797 HKD
Retailer 15HK$122,644 HKD
Retailer 16HK$123,158 HKD
Retailer 1HK$127,336 HKD
Retailer 5HK$141,128 HKD
Retailer 2HK$143,671 HKD
Retailer 17HK$166,549 HKD
Retailer 13HK$177,132 HKD
Wholesale Diamonds DirectHK$203,460 HKD
Retailer 10HK$217,164 HKD
Retailer 8HK$247,672 HKD
Retailer 9HK$392,622 HKD

17 data points across 19 retailers

11 retailersHK$65,974 HKD to HK$177,132 HKD

A
Cheapest Retailer
-
HK$65,974 HKD
$8,409 USD
Retailer 2
-
HK$69,019 HKD
$8,797 USD
View
Price last confirmed 29 days ago
A
Retailer 3
-
HK$71,311 HKD
CA$12,624 CAD
View
A
Retailer 4
-
HK$89,049 HKD
$11,350 USD
View
B+
Retailer 5
-
HK$122,644 HKD
$15,632 USD
View
B+
Retailer 6
-
HK$127,336 HKD
$16,230 USD
View
Retailer 7
-
HK$133,298 HKD
$16,990 USD
View
Price last confirmed 27 days ago
Retailer 8
-
HK$143,671 HKD
£14,419 GBP
View
Price last confirmed 31 days ago
Retailer 9
-
HK$166,549 HKD
ZAR 342,941 ZAR
View
Price last confirmed 29 days ago
B
Retailer 10
-
HK$177,132 HKD
$22,577 USD
View
Most Expensive
Wholesale Diamonds Direct
475659898 · Oct 24
HK$203,460 HKD
$25,933 USD
View
Price last confirmed 8 days ago
10 more retailers have this diamond
Prices start from HK$65,974 HKDSave up to HK$111,158 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 Marquise
HK$65,974 HKD