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Marquise|Lab Grown|IGI

2.58ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG825621794

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825621794

Diamond specifications and retailer prices

From £1,678 GBP
$2,248 USD
As of October 30, 2026
Save £5,814 GBP (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £7,492 GBP at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

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 LG825621794 or 825621794. Listed at 22 retailers as of October 30, 2026, with prices from £1,678 to £7,492, a £5,814 spread on the same certified stone. Novita Diamonds lists it at £7,492. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825621794
Dimensions14.86 × 7.03 × 4.37 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.86 mm7.03 mm2.58 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825621794
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.2%

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: Oct 30
Current: £7,492 GBP|Low: £1,611 GBP|High: £7,599 GBP|Avg: £3,607 GBP|+2.9%
Novita Diamonds
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
November 1, 2026
Retailer 4£1,678 GBP
Retailer 7£1,825 GBP
Retailer 5£1,946 GBP
Retailer 3£2,067 GBP
Retailer 8£2,657 GBP
Retailer 6£2,675 GBP
Retailer 15£2,723 GBP
Retailer 12£2,782 GBP
Retailer 10£3,027 GBP
Retailer 14£4,336 GBP
Retailer 2£4,619 GBP
Retailer 13£4,927 GBP
Retailer 9£5,020 GBP
Retailer 11£5,307 GBP
Novita Diamonds£7,492 GBP

38 data points across 15 retailers

22 retailers£1,678 GBP to £7,492 GBP

A
Cheapest Retailer
-
£1,678 GBP
$2,248 USD
A
Retailer 2
-
£1,825 GBP
$2,445 USD
View
Retailer 3
-
£1,946 GBP
$2,607 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
£1,946 GBP
$2,607 USD
View
A
Retailer 5
-
£2,052 GBP
$2,750 USD
View
Final sale: no returns
A
Retailer 6
-
£2,067 GBP
$2,770 USD
View
A
Retailer 7
-
£2,290 GBP
$3,068 USD
View
A
Retailer 8
-
£2,657 GBP
View
A
Retailer 9
-
£2,675 GBP
$3,584 USD
View
A
Retailer 10
-
£2,723 GBP
$3,649 USD
View
A
Retailer 11
-
£2,782 GBP
$3,728 USD
View
A
Retailer 12
-
£3,027 GBP
€3,863 EUR
View
Retailer 13
-
£3,388 GBP
$4,539 USD
View
Price last confirmed 77 days ago
B+
Retailer 14
-
£3,697 GBP
View
B+
Retailer 15
-
£4,336 GBP
$5,810 USD
View
B+
Retailer 16
-
£4,619 GBP
A$9,521 AUD
View
B+
Retailer 17
-
£4,927 GBP
$6,602 USD
View
B+
Retailer 18
-
£5,020 GBP
ZAR 108,672 ZAR
View
B+
Retailer 19
-
£5,307 GBP
View
B
Retailer 20
-
£5,767 GBP
$7,727 USD
View
B
Retailer 21
-
£6,798 GBP
$9,109 USD
View
Most Expensive
B
Novita Diamonds
cert_825621794 · Nov 1
£7,492 GBP
A$15,444 AUD
View
21 more retailers have this diamond
Prices start from £1,678 GBPSave up to £5,814 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
£1,678 GBP