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Heart|Lab Grown|IGI

2.50ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG831603940

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831603940

Diamond specifications and retailer prices

From £1,264 GBP
$1,694 USD
As of October 31, 2026
Save £5,302 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £6,566 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG831603940 or 831603940. Listed at 20 retailers as of October 30, 2026, with prices from £1,264 to £6,566, a £5,302 spread on the same certified stone. Taylor and Hart lists it at £6,566. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831603940
Dimensions8.23 × 9.54 × 5.49 mm
L/W Ratio1.16
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
8.23 mm9.54 mm2.50 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831603940
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 57.5%

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: £1,264 GBP|Low: £1,264 GBP|High: £6,881 GBP|Avg: £3,403 GBP|-45.4%
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
Retailer 18
Retailer 19
Taylor and Hart
October 31, 2026
Retailer 1£1,264 GBP
Retailer 15£1,509 GBP
Retailer 4£1,620 GBP
Retailer 8£1,762 GBP
Retailer 12£1,834 GBP
Retailer 5£1,879 GBP
Retailer 10£1,879 GBP
Retailer 9£1,947 GBP
Retailer 2£2,000 GBP
Retailer 7£2,166 GBP
Retailer 6£2,582 GBP
Retailer 19£2,612 GBP
Retailer 3£2,715 GBP
Retailer 16£3,363 GBP
Retailer 14£4,380 GBP
Retailer 13£4,771 GBP
Retailer 17£4,846 GBP
Retailer 18£5,103 GBP
Retailer 11£5,582 GBP
Taylor and Hart£6,566 GBP

40 data points across 20 retailers

20 retailers£1,264 GBP to £6,566 GBP

A
Cheapest Retailer
-
£1,264 GBP
$1,694 USD
Final sale: no returns
A
Retailer 2
-
£1,509 GBP
HK$15,800 HKD
View
A
Retailer 3
-
£1,620 GBP
$2,170 USD
View
A
Retailer 4
-
£1,762 GBP
$2,361 USD
View
A
Retailer 5
-
£1,834 GBP
View
B+
Retailer 6
-
£1,879 GBP
$2,517 USD
View
Retailer 7
-
£1,879 GBP
$2,517 USD
View
Price last confirmed 20 days ago
B+
Retailer 8
-
£1,947 GBP
$2,609 USD
View
B+
Retailer 9
-
£2,000 GBP
$2,680 USD
View
B+
Retailer 10
-
£2,166 GBP
$2,902 USD
View
B+
Retailer 11
-
£2,582 GBP
$3,459 USD
View
B+
Retailer 12
-
£2,612 GBP
$3,500 USD
View
B+
Retailer 13
-
£2,715 GBP
$3,638 USD
View
B+
Retailer 14
-
£3,363 GBP
$4,506 USD
View
B
Retailer 15
-
£4,380 GBP
SGD 7,930 SGD
View
B
Retailer 16
-
£4,771 GBP
$6,392 USD
View
B
Retailer 17
-
£4,846 GBP
ZAR 104,906 ZAR
View
B
Retailer 18
-
£5,103 GBP
View
B
Retailer 19
-
£5,582 GBP
$7,479 USD
View
Most Expensive
B
Taylor and Hart
50W7NOP · Oct 30
£6,566 GBP
$8,798 USD
View
19 more retailers have this diamond
Prices start from £1,264 GBPSave up to £5,302 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
£1,264 GBP