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Heart|Lab Grown|IGI

2.50ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663969

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846663969

Diamond specifications and retailer prices

From £1,601 GBP
$2,145 USD
As of October 31, 2026
Save £5,482 GBP (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £7,083 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.5ct lab-grown heart diamond

This 2.5ct lab-grown heart sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663969 or 846663969. Listed at 9 retailers as of October 29, 2026, with prices from £1,601 to £7,083, a £5,482 spread on the same certified stone. Brilliant Earth lists it at £7,083. 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
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663969
Dimensions9.14 × 8.05 × 5.74 mm
L/W Ratio1.14
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
9.14 mm8.05 mm2.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663969
Side View
Table 59.0%Crown 36.5°Girdle: STK-THKPavilion 41.3°Culet: NoneDepth 62.8%

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: £2,541 GBP|Low: £1,601 GBP|High: £6,668 GBP|Avg: £3,326 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3£1,601 GBP
Retailer 2£1,627 GBP
Retailer 6£2,126 GBP
Retailer 8£2,315 GBP
Retailer 1£2,541 GBP
Retailer 4£4,231 GBP
Retailer 5£4,701 GBP
Retailer 7£6,668 GBP

6 data points across 8 retailers

9 retailers£1,601 GBP to £7,083 GBP

A
Cheapest Retailer
-
£1,601 GBP
$2,145 USD
A
Retailer 2
-
£1,627 GBP
View
B+
Retailer 3
-
£2,126 GBP
$2,849 USD
View
B+
Retailer 4
-
£2,315 GBP
$3,102 USD
View
B+
Retailer 5
-
£2,541 GBP
$3,404 USD
View
B
Retailer 6
-
£4,231 GBP
View
B
Retailer 7
-
£4,701 GBP
$6,299 USD
View
B
Retailer 8
-
£6,668 GBP
$8,935 USD
View
Most Expensive
B
Brilliant Earth
22319604A · Oct 29
£7,083 GBP
$9,490 USD
View
8 more retailers have this diamond
Prices start from £1,601 GBPSave up to £5,482 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 Heart
£1,601 GBP