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Round|Lab Grown|IGI

2.50ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG847689708

Shape and cutting style on the report: Round brilliant

Certificate IGI LG847689708

Diamond specifications and retailer prices

From £587 GBP
$787 USD
As of October 31, 2026
Save £3,409 GBP (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,997 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG847689708 or 847689708. Listed at 16 retailers as of October 28, 2026, with prices from £587 to £3,997, a £3,409 spread on the same certified stone. Rare Carat lists it at £3,997. 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

2.50
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847689708
Dimensions8.68 × 8.72 × 5.32 mm
L/W Ratio1.00
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
8.68 mm8.72 mm2.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847689708
Side View
Table 58.0%Crown 33.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.1%

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 31
Current: £725 GBP|Low: £587 GBP|High: £2,419 GBP|Avg: £1,259 GBP|-1.0%
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
November 1, 2026
Retailer 3£587 GBP
Retailer 9£609 GBP
Retailer 2£707 GBP
Retailer 1£725 GBP
Retailer 6£743 GBP
Retailer 4£873 GBP
Retailer 8£965 GBP
Retailer 14£969 GBP
Retailer 10£1,446 GBP
Retailer 12£1,500 GBP
Retailer 15£1,571 GBP
Retailer 11£1,712 GBP
Retailer 7£1,995 GBP
Retailer 5£2,053 GBP
Retailer 13£2,405 GBP

11 data points across 15 retailers

16 retailers£587 GBP to £3,997 GBP

A
Cheapest Retailer
-
£587 GBP
$787 USD
Final sale: no returns
A
Retailer 2
-
£609 GBP
$816 USD
View
A
Retailer 3
-
£707 GBP
HK$7,400 HKD
View
A
Retailer 4
-
£725 GBP
View
A
Retailer 5
-
£743 GBP
$995 USD
View
A
Retailer 6
-
£873 GBP
$1,170 USD
View
A
Retailer 7
-
£965 GBP
View
A
Retailer 8
-
£969 GBP
€1,236 EUR
View
A
Retailer 9
-
£1,446 GBP
A$2,980 AUD
View
A
Retailer 10
-
£1,500 GBP
$2,010 USD
View
B+
Retailer 11
-
£1,571 GBP
ZAR 34,009 ZAR
View
B+
Retailer 12
-
£1,712 GBP
$2,294 USD
View
B+
Retailer 13
-
£1,995 GBP
$2,673 USD
View
B+
Retailer 14
-
£2,053 GBP
SGD 3,717 SGD
View
B+
Retailer 15
-
£2,405 GBP
View
Most Expensive
B
Rare Carat
X27086897RE847 · Oct 28
£3,997 GBP
$5,355 USD
View
15 more retailers have this diamond
Prices start from £587 GBPSave up to £3,409 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
2.50ct Round
£587 GBP