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Marquise|Lab Grown|IGI

2.59ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754593844

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754593844

Diamond specifications and retailer prices

From £4,404 GBP
$5,910 USD
As of November 2, 2026
Save £4,840 GBP (52%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £9,244 GBP at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 2.59ct lab-grown marquise diamond

This 2.59ct 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 LG754593844 or 754593844. Listed at 3 retailers as of November 1, 2026, with prices from £4,404 to £9,244, a £4,840 spread on the same certified stone. Novita Diamonds lists it at £9,244. 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

2.59
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754593844
Dimensions14.05 × 7.05 × 4.57 mm
L/W Ratio1.99
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
14.05 mm7.05 mm2.59 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754593844
Side View
Table 57.0%Crown 36.5°Girdle: Slightly ThickPavilion 40.5°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £9,244 GBP|Low: £1,511 GBP|High: £14,014 GBP|Avg: £5,468 GBP|+2.7%
Novita Diamonds
Retailer 2
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Retailer 16
November 1, 2026
Retailer 4£1,511 GBP
Retailer 9£1,760 GBP
Retailer 10£1,993 GBP
Retailer 13£2,329 GBP
Retailer 11£2,489 GBP
Retailer 8£2,619 GBP
Retailer 14£3,002 GBP
Retailer 16£3,427 GBP
Retailer 12£3,448 GBP
Retailer 2£4,404 GBP
Retailer 6£5,318 GBP
Novita Diamonds£9,244 GBP
Retailer 3£10,265 GBP
Retailer 5£10,586 GBP
Retailer 15£11,096 GBP
Retailer 7£14,014 GBP

6 data points across 16 retailers

3 retailers£4,404 GBP to £9,244 GBP

Retailer 1
-
£3,448 GBP
$4,628 USD
Price last confirmed 85 days ago
B+
Retailer 2
-
£4,404 GBP
$5,910 USD
View
Most Expensive
B
Novita Diamonds
cert_754593844 · Nov 1
£9,244 GBP
A$19,085 AUD
View
2 more retailers have this diamond
Prices start from £4,404 GBPSave up to £4,840 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.

B+
2.59ct Marquise
£4,404 GBP