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Marquise|Lab Grown|IGI

4.37ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG645459455

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG645459455

Diamond specifications and retailer prices

From HK$129,768 HKD
$16,540 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: HK$129,768 HKD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 4.37ct lab-grown marquise diamond

This 4.37ct 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 LG645459455 or 645459455. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

4.37
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645459455
Dimensions8.88 × 16.80 × 5.31 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
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
8.88 mm16.80 mm4.37 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645459455
Side View
Table 62.0%Crown 31.5°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$129,768 HKD|Low: HK$43,393 HKD|High: HK$209,402 HKD|Avg: HK$121,660 HKD|-5.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
March 25, 2026
Retailer 2HK$57,483 HKD
Retailer 3HK$71,934 HKD
Retailer 6HK$72,698 HKD
Retailer 9HK$81,035 HKD
Retailer 8HK$123,556 HKD
Retailer 5HK$123,931 HKD
Brilliant EarthHK$129,768 HKD
Retailer 7HK$151,854 HKD
Retailer 4HK$201,540 HKD

36 data points across 9 retailers

1 retailer

B+
Brilliant Earth
10970136A · Oct 30
HK$129,768 HKD
$16,540 USD
View

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B+
4.37ct Marquise
HK$129,768 HKD