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Marquise|Lab Grown|IGI

3.05ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG804664727

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG804664727

Diamond specifications and retailer prices

From £3,397 GBP
$4,552 USD
As of October 31, 2026
Save £11,394 GBP (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £14,792 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804664727 or 804664727. Listed at 12 retailers as of October 31, 2026, with prices from £3,397 to £14,792, a £11,394 spread on the same certified stone. With Clarity lists it at £14,792. 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

3.05
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804664727
Dimensions14.63 × 7.52 × 4.75 mm
L/W Ratio1.95
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
14.63 mm7.52 mm3.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804664727
Side View
Table 61.0%Crown 36.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.2%

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: £4,824 GBP|Low: £3,397 GBP|High: £17,394 GBP|Avg: £8,055 GBP|-14.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 31, 2026
Retailer 10£3,397 GBP
Retailer 8£3,485 GBP
Retailer 2£4,662 GBP
Retailer 1£4,824 GBP
Retailer 7£5,702 GBP
Retailer 11£5,728 GBP
Retailer 5£6,109 GBP
Retailer 4£6,754 GBP
Retailer 6£7,752 GBP
Retailer 9£10,016 GBP
Retailer 3£13,269 GBP
With Clarity£14,792 GBP

36 data points across 12 retailers

12 retailers£3,397 GBP to £14,792 GBP

A
Cheapest Retailer
-
£3,397 GBP
$4,552 USD
A
Retailer 2
-
£3,485 GBP
$4,670 USD
View
A
Retailer 3
-
£4,662 GBP
HK$48,800 HKD
View
B+
Retailer 4
-
£4,824 GBP
View
B+
Retailer 5
-
£5,702 GBP
$7,640 USD
View
B+
Retailer 6
-
£5,728 GBP
$7,675 USD
View
B+
Retailer 7
-
£6,109 GBP
€7,796 EUR
View
B+
Retailer 8
-
£6,754 GBP
$9,050 USD
View
B+
Retailer 9
-
£7,752 GBP
View
Retailer 10
-
£10,016 GBP
$13,420 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
£13,269 GBP
$17,779 USD
View
Most Expensive
B
With Clarity
804664727 · Oct 31
£14,792 GBP
$19,819 USD
View
11 more retailers have this diamond
Prices start from £3,397 GBPSave up to £11,394 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
3.05ct Marquise
£3,397 GBP