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Marquise|Lab Grown|IGI

3.10ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG804665584

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG804665584

Diamond specifications and retailer prices

From £3,453 GBP
$4,627 USD
As of October 31, 2026
Save £11,581 GBP (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £15,034 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.1ct lab-grown marquise diamond

This 3.1ct 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 LG804665584 or 804665584. Listed at 14 retailers as of October 31, 2026, with prices from £3,453 to £15,034, a £11,581 spread on the same certified stone. With Clarity lists it at £15,034. 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

3.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665584
Dimensions15.12 × 7.60 × 4.73 mm
L/W Ratio1.99
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
15.12 mm7.60 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665584
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 39.7°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: £4,903 GBP|Low: £3,453 GBP|High: £17,680 GBP|Avg: £7,890 GBP|-14.9%
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
With Clarity
October 31, 2026
Retailer 13£3,453 GBP
Retailer 11£3,538 GBP
Retailer 2£4,738 GBP
Retailer 1£4,903 GBP
Retailer 6£5,643 GBP
Retailer 14£5,821 GBP
Retailer 9£6,210 GBP
Retailer 7£6,702 GBP
Retailer 3£7,074 GBP
Retailer 5£7,703 GBP
Retailer 10£7,874 GBP
Retailer 8£8,782 GBP
Retailer 12£10,180 GBP
Retailer 4£13,487 GBP
With Clarity£15,034 GBP

38 data points across 15 retailers

14 retailers£3,453 GBP to £15,034 GBP

A
Cheapest Retailer
-
£3,453 GBP
$4,627 USD
A
Retailer 2
-
£3,538 GBP
$4,740 USD
View
A
Retailer 3
-
£4,738 GBP
HK$49,600 HKD
View
B+
Retailer 4
-
£4,903 GBP
View
Retailer 5
-
£5,643 GBP
$7,562 USD
View
Price last confirmed 96 days ago
B+
Retailer 6
-
£5,821 GBP
$7,800 USD
View
B+
Retailer 7
-
£6,210 GBP
€7,924 EUR
View
B+
Retailer 8
-
£6,702 GBP
$8,980 USD
View
B+
Retailer 9
-
£7,074 GBP
$9,479 USD
View
B+
Retailer 10
-
£7,874 GBP
View
B+
Retailer 11
-
£8,782 GBP
ZAR 190,085 ZAR
View
Retailer 12
-
£10,180 GBP
$13,640 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
£13,487 GBP
$18,071 USD
View
Most Expensive
B
With Clarity
804665584 · Oct 31
£15,034 GBP
$20,144 USD
View
13 more retailers have this diamond
Prices start from £3,453 GBPSave up to £11,581 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
3.10ct Marquise
£3,453 GBP