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Marquise|Lab Grown|IGI

2.60ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG744514307

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG744514307

Diamond specifications and retailer prices

From £1,472 GBP
$1,976 USD
As of November 2, 2026
Save £8,655 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £10,127 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 2.6ct lab-grown marquise diamond

This 2.6ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744514307 or 744514307. Listed at 17 retailers as of November 2, 2026, with prices from £1,472 to £10,127, a £8,655 spread on the same certified stone. Do Amore Diamonds lists it at £10,127. 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

2.60
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744514307
Dimensions14.11 × 7.12 × 4.47 mm
L/W Ratio1.98
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
14.11 mm7.12 mm2.60 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744514307
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £10,127 GBP|Low: £1,445 GBP|High: £11,111 GBP|Avg: £3,818 GBP|-8.9%
Do Amore Diamonds
Retailer 2
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Retailer 4
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Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 15£1,472 GBP
Retailer 5£1,602 GBP
Retailer 17£1,728 GBP
Retailer 8£1,746 GBP
Retailer 14£1,747 GBP
Retailer 9£1,794 GBP
Retailer 4£2,592 GBP
Retailer 16£2,674 GBP
Retailer 3£2,805 GBP
Retailer 13£3,068 GBP
Retailer 7£3,909 GBP
Retailer 10£4,476 GBP
Retailer 12£4,680 GBP
Retailer 6£4,700 GBP
Retailer 2£5,115 GBP
Retailer 11£7,582 GBP
Do Amore Diamonds£10,127 GBP

35 data points across 17 retailers

17 retailers£1,472 GBP to £10,127 GBP

A
Cheapest Retailer
-
£1,472 GBP
$1,976 USD
A
Retailer 2
-
£1,602 GBP
$2,150 USD
View
A
Retailer 3
-
£1,728 GBP
$2,319 USD
View
A
Retailer 4
-
£1,746 GBP
$2,343 USD
View
A
Retailer 5
-
£1,747 GBP
$2,345 USD
View
A
Retailer 6
-
£1,794 GBP
$2,408 USD
View
Final sale: no returns
A
Retailer 7
-
£2,592 GBP
$3,478 USD
View
A
Retailer 8
-
£2,674 GBP
$3,588 USD
View
A
Retailer 9
-
£2,805 GBP
$3,764 USD
View
A
Retailer 10
-
£3,068 GBP
€3,921 EUR
View
B+
Retailer 11
-
£3,909 GBP
$5,245 USD
View
B+
Retailer 12
-
£4,476 GBP
A$9,240 AUD
View
B+
Retailer 13
-
£4,680 GBP
$6,280 USD
View
B+
Retailer 14
-
£4,700 GBP
$6,307 USD
View
B+
Retailer 15
-
£5,115 GBP
View
B
Retailer 16
-
£7,582 GBP
A$15,653 AUD
View
Most Expensive
B
Do Amore Diamonds
27-726246BF0 · Nov 2
£10,127 GBP
$13,590 USD
View
16 more retailers have this diamond
Prices start from £1,472 GBPSave up to £8,655 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
2.60ct Marquise
£1,472 GBP