CaratHunter
Plans
Marquise|Lab Grown|IGI

3.49ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG804659309

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG804659309

Diamond specifications and retailer prices

From £3,757 GBP
$5,034 USD
As of October 31, 2026
Save £12,322 GBP (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £16,079 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.49ct lab-grown marquise diamond

This 3.49ct 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 LG804659309 or 804659309. Listed at 12 retailers as of October 31, 2026, with prices from £3,757 to £16,079, a £12,322 spread on the same certified stone. With Clarity lists it at £16,079. 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

3.49
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659309
Dimensions15.65 × 7.99 × 4.93 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
15.65 mm7.99 mm3.49 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659309
Side View
Table 61.0%Crown 34.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.7%

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 31
Current: £5,242 GBP|Low: £3,757 GBP|High: £19,075 GBP|Avg: £8,503 GBP|-15.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
October 31, 2026
Retailer 11£3,757 GBP
Retailer 9£3,766 GBP
Retailer 2£5,073 GBP
Retailer 1£5,242 GBP
Retailer 8£5,889 GBP
Retailer 12£6,224 GBP
Retailer 6£6,641 GBP
Retailer 5£7,150 GBP
Retailer 4£8,280 GBP
Retailer 7£8,394 GBP
Retailer 10£10,888 GBP
Retailer 3£14,428 GBP
With Clarity£16,079 GBP

37 data points across 13 retailers

12 retailers£3,757 GBP to £16,079 GBP

A
Cheapest Retailer
-
£3,757 GBP
$5,034 USD
A
Retailer 2
-
£3,766 GBP
$5,046 USD
View
A
Retailer 3
-
£5,073 GBP
HK$53,100 HKD
View
A
Retailer 4
-
£5,242 GBP
View
B+
Retailer 5
-
£5,889 GBP
$7,890 USD
View
B+
Retailer 6
-
£6,224 GBP
$8,340 USD
View
B+
Retailer 7
-
£6,641 GBP
€8,474 EUR
View
B+
Retailer 8
-
£7,150 GBP
$9,580 USD
View
B+
Retailer 9
-
£8,394 GBP
View
Retailer 10
-
£10,888 GBP
$14,588 USD
View
Price last confirmed 8 days ago
B
Retailer 11
-
£14,428 GBP
$19,331 USD
View
Most Expensive
B
With Clarity
804659309 · Oct 31
£16,079 GBP
$21,544 USD
View
11 more retailers have this diamond
Prices start from £3,757 GBPSave up to £12,322 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
3.49ct Marquise
£3,757 GBP