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Marquise|Lab Grown|IGI

4.01ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG690509443

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG690509443

Diamond specifications and retailer prices

From HK$43,512 HKD
$5,546 USD
As of October 30, 2026
Save HK$134,896 HKD (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$178,409 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.01ct lab-grown marquise diamond

This 4.01ct 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 LG690509443 or 690509443. Listed at 23 retailers as of October 30, 2026, with prices from HK$43,512 to HK$178,409, a HK$134,896 spread on the same certified stone. Taylor and Hart lists it at HK$178,409. 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

4.01
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG690509443
Dimensions17.57 × 8.38 × 4.92 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.57 mm8.38 mm4.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG690509443
Side View
Table 60.0%Crown 31.5°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 58.7%

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 30
Current: HK$51,319 HKD|Low: HK$34,804 HKD|High: HK$178,409 HKD|Avg: HK$81,352 HKD
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
Taylor and Hart
October 31, 2026
Retailer 5HK$43,512 HKD
Retailer 7HK$46,698 HKD
Retailer 8HK$48,737 HKD
Retailer 6HK$50,479 HKD
Retailer 3HK$50,526 HKD
Retailer 1HK$51,319 HKD
Retailer 2HK$58,804 HKD
Retailer 17HK$59,392 HKD
Retailer 13HK$64,599 HKD
Retailer 10HK$65,011 HKD
Retailer 18HK$65,943 HKD
Retailer 9HK$71,741 HKD
Retailer 14HK$84,102 HKD
Retailer 16HK$90,375 HKD
Retailer 11HK$96,110 HKD
Retailer 15HK$103,267 HKD
Retailer 12HK$107,433 HKD
Retailer 4HK$116,850 HKD
Taylor and HartHK$178,409 HKD

41 data points across 19 retailers

23 retailersHK$43,512 HKD to HK$178,409 HKD

A
Cheapest Retailer
-
HK$43,512 HKD
$5,546 USD
A
Retailer 2
-
HK$45,607 HKD
$5,813 USD
View
A
Retailer 3
-
HK$46,698 HKD
$5,952 USD
View
A
Retailer 4
-
HK$48,737 HKD
$6,212 USD
View
Final sale: no returns
A
Retailer 5
-
HK$50,479 HKD
$6,434 USD
View
Retailer 6
-
HK$50,479 HKD
$6,434 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
HK$50,526 HKD
$6,440 USD
View
A
Retailer 8
-
HK$51,319 HKD
$6,541 USD
View
A
Retailer 9
-
HK$58,804 HKD
$7,495 USD
View
A
Retailer 10
-
HK$59,392 HKD
$7,570 USD
View
A
Retailer 11
-
HK$59,925 HKD
$7,638 USD
View
A
Retailer 12
-
HK$64,599 HKD
£6,483 GBP
View
Retailer 13
-
HK$65,943 HKD
$8,405 USD
View
Price last confirmed 10 days ago
A
Retailer 14
-
HK$71,741 HKD
£7,200 GBP
View
A
Retailer 15
-
HK$84,102 HKD
€10,209 EUR
View
A
Retailer 16
-
HK$90,375 HKD
$11,519 USD
View
A
Retailer 17
-
HK$96,110 HKD
$12,250 USD
View
B+
Retailer 18
-
HK$103,267 HKD
£10,364 GBP
View
B+
Retailer 19
-
HK$107,433 HKD
ZAR 221,216 ZAR
View
Retailer 20
-
HK$116,850 HKD
A$22,913 AUD
View
Price last confirmed 22 days ago
B
Retailer 21
-
HK$128,089 HKD
$16,326 USD
View
B+
Retailer 22
-
HK$140,396 HKD
$17,895 USD
View
Most Expensive
B
Taylor and Hart
54DGRTY · Oct 30
HK$178,409 HKD
$22,740 USD
View
22 more retailers have this diamond
Prices start from HK$43,512 HKDSave up to HK$134,896 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
4.01ct Marquise
HK$43,512 HKD