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Marquise|Lab Grown|IGI

2.58ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG831604156

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831604156

Diamond specifications and retailer prices

From £2,087 GBP
$2,797 USD
As of October 31, 2026
Save £5,848 GBP (74%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £7,936 GBP at With Clarity · As of November 1, 2026
View at With Clarity

About this 2.58ct lab-grown marquise diamond

This 2.58ct 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 LG831604156 or 831604156. Listed at 18 retailers as of October 31, 2026, with prices from £2,087 to £7,936, a £5,848 spread on the same certified stone. With Clarity lists it at £7,936. 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

2.58
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604156
Dimensions14.15 × 7.22 × 4.48 mm
L/W Ratio1.96
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
14.15 mm7.22 mm2.58 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604156
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
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: Oct 31
Current: £5,133 GBP|Low: £2,087 GBP|High: £7,936 GBP|Avg: £4,422 GBP
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
With Clarity
November 1, 2026
Retailer 5£2,087 GBP
Retailer 16£2,162 GBP
Retailer 14£2,207 GBP
Retailer 15£2,284 GBP
Retailer 4£2,351 GBP
Retailer 11£2,380 GBP
Retailer 7£2,503 GBP
Retailer 12£2,895 GBP
Retailer 2£2,972 GBP
Retailer 17£4,106 GBP
Retailer 3£4,538 GBP
Retailer 1£5,133 GBP
Retailer 8£5,491 GBP
Retailer 10£6,363 GBP
Retailer 6£7,245 GBP
Retailer 9£7,545 GBP
Retailer 13£7,823 GBP
With Clarity£7,936 GBP

3 data points across 18 retailers

18 retailers£2,087 GBP to £7,936 GBP

A
Cheapest Retailer
-
£2,087 GBP
$2,797 USD
Final sale: no returns
A
Retailer 2
-
£2,162 GBP
$2,897 USD
View
A
Retailer 3
-
£2,207 GBP
$2,957 USD
View
A
Retailer 4
-
£2,284 GBP
$3,060 USD
View
A
Retailer 5
-
£2,351 GBP
$3,150 USD
View
A
Retailer 6
-
£2,380 GBP
View
A
Retailer 7
-
£2,503 GBP
HK$26,200 HKD
View
A
Retailer 8
-
£2,895 GBP
View
A
Retailer 9
-
£2,972 GBP
$3,982 USD
View
B+
Retailer 10
-
£4,106 GBP
View
B+
Retailer 11
-
£4,538 GBP
$6,080 USD
View
B
Retailer 12
-
£5,133 GBP
A$10,581 AUD
View
B
Retailer 13
-
£5,491 GBP
$7,358 USD
View
B
Retailer 14
-
£6,363 GBP
$8,526 USD
View
B
Retailer 15
-
£7,245 GBP
SGD 13,118 SGD
View
B
Retailer 16
-
£7,545 GBP
$10,110 USD
View
B
Retailer 17
-
£7,823 GBP
A$16,126 AUD
View
Most Expensive
B
With Clarity
831604156 · Nov 1
£7,936 GBP
$10,633 USD
View
17 more retailers have this diamond
Prices start from £2,087 GBPSave up to £5,848 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
2.58ct Marquise
£2,087 GBP