Marquise|Lab Grown|IGI

4.44ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG817638253

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817638253

Diamond specifications and retailer prices

From £7,079 GBP
$9,485 USD
As of October 31, 2026
Save £17,679 GBP (71%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £24,758 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.44ct lab-grown marquise diamond

This 4.44ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817638253 or 817638253. Listed at 16 retailers as of October 31, 2026, with prices from £7,079 to £24,758, a £17,679 spread on the same certified stone. Taylor and Hart lists it at £24,758. 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

4.44
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817638253
Dimensions17.40 × 8.40 × 5.30 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.40 mm8.40 mm4.44 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817638253
Side View
Table 58.0%Crown 33.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.1%

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: £14,043 GBP|Low: £6,871 GBP|High: £39,671 GBP|Avg: £14,728 GBP
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
Taylor and Hart
November 1, 2026
Retailer 12£7,079 GBP
Retailer 5£7,151 GBP
Retailer 3£7,265 GBP
Retailer 15£7,868 GBP
Retailer 14£8,996 GBP
Retailer 9£9,478 GBP
Retailer 7£12,393 GBP
Retailer 10£12,491 GBP
Retailer 11£12,680 GBP
Retailer 1£14,043 GBP
Retailer 8£16,746 GBP
Retailer 6£16,823 GBP
Retailer 13£17,825 GBP
Retailer 2£20,558 GBP
Taylor and Hart£24,758 GBP
Retailer 4£39,671 GBP

32 data points across 16 retailers

16 retailers£7,079 GBP to £24,758 GBP

A
Cheapest Retailer
-
£7,079 GBP
$9,485 USD
A
Retailer 2
-
£7,151 GBP
CA$13,308 CAD
View
A
Retailer 3
-
£7,265 GBP
$9,734 USD
View
Retailer 4
-
£7,868 GBP
$10,542 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
£8,996 GBP
$12,053 USD
View
A
Retailer 6
-
£9,478 GBP
View
B+
Retailer 7
-
£12,393 GBP
$16,605 USD
View
B+
Retailer 8
-
£12,491 GBP
€15,940 EUR
View
B+
Retailer 9
-
£12,680 GBP
$16,990 USD
View
B+
Retailer 10
-
£14,043 GBP
View
B+
Retailer 11
-
£16,746 GBP
ZAR 362,485 ZAR
View
B
Retailer 12
-
£16,823 GBP
$22,541 USD
View
B
Retailer 13
-
£17,825 GBP
$23,883 USD
View
Retailer 14
-
£20,558 GBP
$27,546 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Taylor and Hart
0PEPFMJ · Oct 31
£24,758 GBP
$33,174 USD
View
14 more retailers have this diamond
Prices start from £7,079 GBPSave up to £17,679 GBP

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
4.44ct Marquise
£7,079 GBP