CaratHunter
Plans
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 $5,546 USD
As of October 30, 2026
Save $17,194 USD (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $22,740 USD 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 $5,546 to $22,740, a $17,194 spread on the same certified stone. Taylor and Hart lists it at $22,740. 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
Color
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: $12,250 USD|Low: $4,436 USD|High: $22,740 USD|Avg: $10,329 USD|-14.8%
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
Taylor and Hart
October 30, 2026
Retailer 4$5,546 USD
Retailer 6$5,952 USD
Retailer 7$6,212 USD
Retailer 5$6,434 USD
Retailer 2$6,440 USD
Retailer 17$7,495 USD
Retailer 15$7,570 USD
Retailer 11$8,234 USD
Retailer 9$8,286 USD
Retailer 16$8,405 USD
Retailer 8$9,144 USD
Retailer 12$10,719 USD
Retailer 14$11,519 USD
Retailer 1$12,250 USD
Retailer 13$13,162 USD
Retailer 10$13,693 USD
Retailer 3$14,893 USD
Taylor and Hart$22,740 USD

41 data points across 18 retailers

23 retailers$5,546 USD to $22,740 USD

A
Cheapest Retailer
-
$5,546 USD
A
Retailer 2
-
$5,813 USD
View
A
Retailer 3
-
$5,952 USD
View
A
Retailer 4
-
$6,212 USD
View
Final sale: no returns
A
Retailer 5
-
$6,258 USD
View
A
Retailer 6
-
$6,434 USD
View
Retailer 7
-
$6,434 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
$6,440 USD
View
A
Retailer 9
-
$7,495 USD
View
A
Retailer 10
-
$7,570 USD
View
A
Retailer 11
-
$7,638 USD
View
A
Retailer 12
-
$8,234 USD
£6,483 GBP
View
Retailer 13
-
$8,405 USD
View
Price last confirmed 9 days ago
A
Retailer 14
-
$9,144 USD
£7,200 GBP
View
A
Retailer 15
-
$10,719 USD
€10,209 EUR
View
A
Retailer 16
-
$11,519 USD
View
A
Retailer 17
-
$12,250 USD
View
B+
Retailer 18
-
$13,162 USD
£10,364 GBP
View
B+
Retailer 19
-
$13,693 USD
ZAR 221,216 ZAR
View
Retailer 20
-
$14,893 USD
A$22,913 AUD
View
Price last confirmed 22 days ago
B
Retailer 21
-
$16,326 USD
View
B+
Retailer 22
-
$17,895 USD
View
Most Expensive
B
Taylor and Hart
54DGRTY · Oct 30
$22,740 USD
View
22 more retailers have this diamond
Prices start from $5,546 USDSave up to $17,194 USD

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
$5,546 USD