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Marquise|Lab Grown|IGI

3.05ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG760565716

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG760565716

Diamond specifications and retailer prices

From £2,744 GBP
$3,677 USD
As of October 31, 2026
Save £11,279 GBP (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £21,091 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG760565716 or 760565716. Listed at 23 retailers as of October 30, 2026, with a 411% 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

3.05
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760565716
Dimensions14.52 × 7.64 × 4.78 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
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
14.52 mm7.64 mm3.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760565716
Side View
Table 60.0%Crown 35.6°Girdle: Slightly ThickPavilion 40.2°Culet: NoneDepth 62.6%

Caratlytics Score

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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: £21,091 GBP|Low: £2,744 GBP|High: £24,898 GBP|Avg: £8,181 GBP|-15.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
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Retailer 15
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Retailer 20
October 31, 2026
Retailer 19£2,744 GBP
Retailer 11£3,065 GBP
Retailer 16£3,212 GBP
Retailer 8£3,432 GBP
Retailer 5£3,556 GBP
Retailer 18£3,594 GBP
Retailer 17£4,716 GBP
Retailer 12£4,905 GBP
Retailer 20£5,091 GBP
Retailer 2£5,096 GBP
Retailer 10£5,528 GBP
Retailer 3£5,780 GBP
Retailer 14£6,104 GBP
Retailer 15£8,170 GBP
Retailer 13£9,113 GBP
Retailer 4£10,266 GBP
Retailer 6£12,442 GBP
Retailer 9£13,297 GBP
Retailer 7£14,023 GBP
Do Amore Diamonds£21,091 GBP

42 data points across 20 retailers

23 retailers£2,744 GBP to £14,023 GBP

A
Cheapest Retailer
-
£2,744 GBP
$3,677 USD
A
Retailer 2
-
£3,065 GBP
$4,107 USD
View
A
Retailer 3
-
£3,212 GBP
$4,304 USD
View
A
Retailer 4
-
£3,432 GBP
$4,599 USD
View
Final sale: no returns
Retailer 5
-
£3,556 GBP
$4,764 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
£3,556 GBP
$4,764 USD
View
A
Retailer 7
-
£3,594 GBP
$4,815 USD
View
A
Retailer 8
-
£4,716 GBP
$6,319 USD
View
A
Retailer 9
-
£4,905 GBP
$6,572 USD
View
B+
Retailer 10
-
£5,091 GBP
$6,821 USD
View
B+
Retailer 11
-
£5,096 GBP
View
B+
Retailer 12
-
£5,528 GBP
View
B+
Retailer 13
-
£5,780 GBP
$7,745 USD
View
B+
Retailer 14
-
£6,104 GBP
€7,789 EUR
View
B+
Retailer 15
-
£8,170 GBP
View
B+
Retailer 16
-
£9,113 GBP
ZAR 197,254 ZAR
View
B+
Retailer 17
-
£10,266 GBP
$13,755 USD
View
B+
Retailer 18
-
£10,741 GBP
$14,392 USD
View
B
Retailer 19
-
£10,908 GBP
$14,616 USD
View
B
Retailer 20
-
£12,442 GBP
$16,671 USD
View
B
Retailer 21
-
£13,297 GBP
$17,817 USD
View
B
Retailer 22
-
£14,023 GBP
$18,789 USD
View
Most Expensive
Do Amore Diamonds
27-0B053E548 · Oct 31
£21,091 GBP
$28,260 USD
View
Price under review
22 more retailers have this diamond
Prices start from £2,744 GBPSave up to £11,279 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
£2,744 GBP