CaratHunter
Plans
Marquise|Lab Grown|IGI

4.20ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG814643393

Shape and cutting style on the report: Hexagonal modified brilliant

Certificate IGI LG814643393

Diamond specifications and retailer prices

From HK$48,604 HKD
$6,195 USD
As of October 31, 2026
Save HK$220,582 HKD (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$269,186 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.2ct lab-grown marquise diamond

This 4.2ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG814643393 or 814643393. Listed at 8 retailers as of October 31, 2026, with prices from HK$48,604 to HK$269,186, a HK$220,582 spread on the same certified stone. Do Amore Diamonds lists it at HK$269,186. 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

4.20
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814643393
Dimensions15.41 × 8.04 × 5.44 mm
L/W Ratio1.92
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.41 mm8.04 mm4.20 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814643393
Side View
Table 63.0%Crown 35.3°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 67.7%

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$269,186 HKD|Low: HK$20,061 HKD|High: HK$269,186 HKD|Avg: HK$79,868 HKD|+149.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 4HK$48,604 HKD
Retailer 8HK$50,558 HKD
Retailer 9HK$58,246 HKD
Retailer 5HK$78,653 HKD
Retailer 3HK$109,505 HKD
Retailer 6HK$133,470 HKD
Retailer 2HK$168,512 HKD
Retailer 7HK$187,377 HKD
Do Amore DiamondsHK$269,186 HKD

38 data points across 9 retailers

8 retailersHK$48,604 HKD to HK$269,186 HKD

A
Cheapest Retailer
-
HK$48,604 HKD
$6,195 USD
A
Retailer 2
-
HK$50,558 HKD
$6,444 USD
View
Final sale: no returns
A
Retailer 3
-
HK$78,653 HKD
$10,025 USD
View
B+
Retailer 4
-
HK$109,505 HKD
£10,990 GBP
View
B
Retailer 5
-
HK$133,470 HKD
$17,012 USD
View
B
Retailer 6
-
HK$168,512 HKD
£16,912 GBP
View
B
Retailer 7
-
HK$187,377 HKD
$23,883 USD
View
Most Expensive
B
Do Amore Diamonds
20-E90950 · Oct 31
HK$269,186 HKD
$34,310 USD
View
7 more retailers have this diamond
Prices start from HK$48,604 HKDSave up to HK$220,582 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
4.20ct Marquise
HK$48,604 HKD