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Heart|Lab Grown|IGI

2.57ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG825661268

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825661268

Diamond specifications and retailer prices

From £706 GBP
$940 USD
As of October 27, 2026
Save £5,399 GBP (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £6,105 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.57ct lab-grown heart diamond

This 2.57ct lab-grown heart 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 LG825661268 or 825661268. Listed at 18 retailers as of October 27, 2026, with prices from £706 to £6,105, a £5,399 spread on the same certified stone. Brilliant Earth lists it at £6,105. 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

2.57
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825661268
Dimensions8.33 × 9.33 × 5.56 mm
L/W Ratio1.12
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
8.33 mm9.33 mm2.57 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825661268
Side View
Table 56.0%Crown 35.1°Girdle: Slightly ThickPavilion 38.7°Culet: NoneDepth 59.6%

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 27
Current: £6,105 GBP|Low: £790 GBP|High: £6,105 GBP|Avg: £2,192 GBP
Brilliant Earth
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
October 30, 2026
Retailer 3£790 GBP
Retailer 2£830 GBP
Retailer 15£950 GBP
Retailer 8£1,258 GBP
Retailer 6£1,311 GBP
Retailer 12£1,664 GBP
Retailer 11£1,941 GBP
Retailer 4£2,026 GBP
Retailer 9£2,112 GBP
Retailer 13£2,432 GBP
Retailer 7£2,747 GBP
Retailer 10£2,790 GBP
Retailer 5£2,847 GBP
Retailer 14£2,947 GBP
Brilliant Earth£6,105 GBP

31 data points across 15 retailers

18 retailers£706 GBP to £6,105 GBP

A
Cheapest Retailer
-
£706 GBP
$940 USD
A
Retailer 2
-
£790 GBP
$1,052 USD
View
Final sale: no returns
A
Retailer 3
-
£819 GBP
$1,090 USD
View
Retailer 4
-
£819 GBP
$1,090 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£830 GBP
View
A
Retailer 6
-
£950 GBP
$1,265 USD
View
A
Retailer 7
-
£1,258 GBP
View
A
Retailer 8
-
£1,311 GBP
$1,746 USD
View
A
Retailer 9
-
£1,664 GBP
$2,216 USD
View
Retailer 10
-
£1,941 GBP
A$3,977 AUD
View
Price last confirmed 8 days ago
A
Retailer 11
-
£2,026 GBP
$2,698 USD
View
B+
Retailer 12
-
£2,112 GBP
ZAR 45,426 ZAR
View
B+
Retailer 13
-
£2,432 GBP
$3,238 USD
View
B+
Retailer 14
-
£2,747 GBP
SGD 4,943 SGD
View
B+
Retailer 15
-
£2,790 GBP
View
B+
Retailer 16
-
£2,847 GBP
$3,792 USD
View
B+
Retailer 17
-
£2,947 GBP
$3,925 USD
View
Most Expensive
B
Brilliant Earth
21603034A · Oct 28
£6,105 GBP
$8,130 USD
View
17 more retailers have this diamond
Prices start from £706 GBPSave up to £5,399 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
2.57ct Heart
£706 GBP