Marquise|Lab Grown|IGI

4.48ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG793637247

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG793637247

Diamond specifications and retailer prices

From £6,685 GBP
$8,957 USD
As of October 31, 2026
Save £10,290 GBP (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £20,743 GBP at Wholesale Diamonds Direct · As of October 24, 2026
View at Wholesale Diamonds Direct

About this 4.48ct lab-grown marquise diamond

This 4.48ct 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 LG793637247 or 793637247. Listed at 8 retailers as of October 31, 2026, with a 154% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.48
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793637247
Dimensions16.51 × 8.67 × 5.39 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.51 mm8.67 mm4.48 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793637247
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.2%

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: £9,077 GBP|Low: £5,472 GBP|High: £42,612 GBP|Avg: £14,554 GBP|+15.0%
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
Wholesale Diamonds Direct
October 4, 2026
Retailer 11£6,685 GBP
Retailer 10£6,800 GBP
Retailer 13£7,216 GBP
Retailer 7£7,380 GBP
Retailer 9£7,663 GBP
Retailer 14£7,803 GBP
Retailer 1£9,077 GBP
Retailer 2£10,555 GBP
Retailer 8£12,504 GBP
Retailer 3£13,056 GBP
Retailer 12£16,975 GBP
Retailer 5£17,284 GBP
Wholesale Diamonds Direct£20,743 GBP
Retailer 15£22,108 GBP
Retailer 6£26,275 GBP
Retailer 4£42,612 GBP

5 data points across 16 retailers

8 retailers£6,685 GBP to £16,975 GBP

A
Cheapest Retailer
-
£6,685 GBP
$8,957 USD
A
Retailer 2
-
£6,800 GBP
$9,111 USD
View
A
Retailer 3
-
£7,216 GBP
CA$13,429 CAD
View
A
Retailer 4
-
£7,663 GBP
$10,268 USD
View
Final sale: no returns
A
Retailer 5
-
£9,077 GBP
$12,162 USD
View
B+
Retailer 6
-
£12,504 GBP
$16,754 USD
View
B
Retailer 7
-
£16,975 GBP
$22,744 USD
View
Most Expensive
Wholesale Diamonds Direct
286164291 · Oct 24
£20,743 GBP
$27,794 USD
View
Price last confirmed 9 days ago
7 more retailers have this diamond
Prices start from £6,685 GBPSave up to £10,290 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
4.48ct Marquise
£6,685 GBP