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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 $7,895 AUD
$5,546 USD
As of October 30, 2026
Save $24,477 AUD (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $32,372 AUD at Taylor and Hart · As of October 31, 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 $7,895 to $32,372, a $24,477 spread on the same certified stone. Taylor and Hart lists it at $32,372. 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: $9,312 AUD|Low: $6,315 AUD|High: $32,372 AUD|Avg: $14,772 AUD
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 5$7,895 AUD
Retailer 7$8,473 AUD
Retailer 8$8,843 AUD
Retailer 6$9,159 AUD
Retailer 3$9,168 AUD
Retailer 1$9,312 AUD
Retailer 2$10,670 AUD
Retailer 17$10,777 AUD
Retailer 13$11,722 AUD
Retailer 10$11,796 AUD
Retailer 18$11,965 AUD
Retailer 9$13,017 AUD
Retailer 14$15,260 AUD
Retailer 16$16,398 AUD
Retailer 11$17,439 AUD
Retailer 15$18,738 AUD
Retailer 12$19,494 AUD
Retailer 4$21,202 AUD
Taylor and Hart$32,372 AUD

40 data points across 19 retailers

23 retailers$7,895 AUD to $32,372 AUD

A
Cheapest Retailer
-
$7,895 AUD
$5,546 USD
A
Retailer 2
-
$8,275 AUD
$5,813 USD
View
A
Retailer 3
-
$8,473 AUD
$5,952 USD
View
A
Retailer 4
-
$8,843 AUD
$6,212 USD
View
Final sale: no returns
A
Retailer 5
-
$9,159 AUD
$6,434 USD
View
Retailer 6
-
$9,159 AUD
$6,434 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$9,168 AUD
$6,440 USD
View
A
Retailer 8
-
$9,312 AUD
$6,541 USD
View
A
Retailer 9
-
$10,670 AUD
$7,495 USD
View
A
Retailer 10
-
$10,777 AUD
$7,570 USD
View
A
Retailer 11
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$10,873 AUD
$7,638 USD
View
A
Retailer 12
-
$11,722 AUD
£6,483 GBP
View
Retailer 13
-
$11,965 AUD
$8,405 USD
View
Price last confirmed 10 days ago
A
Retailer 14
-
$13,017 AUD
£7,200 GBP
View
A
Retailer 15
-
$15,260 AUD
€10,209 EUR
View
A
Retailer 16
-
$16,398 AUD
$11,519 USD
View
A
Retailer 17
-
$17,439 AUD
$12,250 USD
View
B+
Retailer 18
-
$18,738 AUD
£10,364 GBP
View
B+
Retailer 19
-
$19,494 AUD
ZAR 221,216 ZAR
View
Retailer 20
-
$21,202 AUD
View
Price last confirmed 23 days ago
B
Retailer 21
-
$23,242 AUD
$16,326 USD
View
B+
Retailer 22
-
$25,475 AUD
$17,895 USD
View
Most Expensive
B
Taylor and Hart
54DGRTY · Oct 31
$32,372 AUD
$22,740 USD
View
22 more retailers have this diamond
Prices start from $7,895 AUDSave up to $24,477 AUD

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
$7,895 AUD