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Marquise|Lab Grown|IGI

2.59ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG790611853

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611853

Diamond specifications and retailer prices

From £1,878 GBP
$2,516 USD
As of November 2, 2026
Save £5,721 GBP (75%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £7,599 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG790611853 or 790611853. Listed at 24 retailers as of October 31, 2026, with prices from £1,878 to £7,599, a £5,721 spread on the same certified stone. Taylor and Hart lists it at £7,599. 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 angle36.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611853
Dimensions13.76 × 7.30 × 4.58 mm
L/W Ratio1.88
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
13.76 mm7.30 mm2.59 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611853
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.7%

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: Nov 2
Current: £2,941 GBP|Low: £1,802 GBP|High: £7,297 GBP|Avg: £3,739 GBP|-1.2%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 2£1,878 GBP
Retailer 7£2,043 GBP
Retailer 4£2,178 GBP
Retailer 8£2,178 GBP
Retailer 10£2,191 GBP
Retailer 18£2,299 GBP
Retailer 1£2,941 GBP
Retailer 6£2,994 GBP
Retailer 17£3,196 GBP
Retailer 16£3,377 GBP
Retailer 5£3,394 GBP
Retailer 14£3,462 GBP
Retailer 15£4,553 GBP
Retailer 12£5,170 GBP
Retailer 3£5,531 GBP
Retailer 13£5,619 GBP
Retailer 11£5,831 GBP
Retailer 9£7,297 GBP

41 data points across 18 retailers

24 retailers£1,878 GBP to £7,599 GBP

A
Cheapest Retailer
-
£1,878 GBP
$2,516 USD
A
Retailer 2
-
£2,043 GBP
$2,737 USD
View
A
Retailer 3
-
£2,102 GBP
$2,817 USD
View
Final sale: no returns
A
Retailer 4
-
£2,178 GBP
$2,918 USD
View
A
Retailer 5
-
£2,191 GBP
$2,936 USD
View
A
Retailer 6
-
£2,299 GBP
$3,080 USD
View
A
Retailer 7
-
£2,368 GBP
$3,173 USD
View
A
Retailer 8
-
£2,522 GBP
HK$26,400 HKD
View
A
Retailer 9
-
£2,941 GBP
View
A
Retailer 10
-
£2,994 GBP
$4,011 USD
View
B+
Retailer 11
-
£3,196 GBP
$4,282 USD
View
B+
Retailer 12
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£3,377 GBP
$4,525 USD
View
B+
Retailer 13
-
£3,394 GBP
$4,548 USD
View
B+
Retailer 14
-
£3,462 GBP
€4,418 EUR
View
B+
Retailer 15
-
£4,129 GBP
View
B+
Retailer 16
-
£4,553 GBP
$6,100 USD
View
B
Retailer 17
-
£5,170 GBP
A$10,657 AUD
View
B
Retailer 18
-
£5,531 GBP
$7,411 USD
View
B+
Retailer 19
-
£5,619 GBP
ZAR 121,639 ZAR
View
B
Retailer 20
-
£5,815 GBP
$7,791 USD
View
B+
Retailer 21
-
£5,831 GBP
View
B
Retailer 22
-
£6,406 GBP
$8,583 USD
View
B
Retailer 23
-
£7,297 GBP
SGD 13,212 SGD
View
Most Expensive
B
Taylor and Hart
4O1U5AL · Oct 31
£7,599 GBP
$10,182 USD
View
23 more retailers have this diamond
Prices start from £1,878 GBPSave up to £5,721 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
2.59ct Marquise
£1,878 GBP