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Heart|Lab Grown|IGI

3.50ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804660376

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804660376

Diamond specifications and retailer prices

From £2,011 GBP
$2,678 USD
As of October 30, 2026
Save £11,874 GBP (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £13,885 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.5ct lab-grown heart diamond

This 3.5ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804660376 or 804660376. Listed at 13 retailers as of October 29, 2026, with prices from £2,011 to £13,885, a £11,874 spread on the same certified stone. Do Amore Diamonds lists it at £13,885. 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

3.50
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660376
Dimensions9.90 × 10.36 × 6.13 mm
L/W Ratio1.05
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
9.90 mm10.36 mm3.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660376
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
A+
Exceptional
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: £13,885 GBP|Low: £2,011 GBP|High: £15,552 GBP|Avg: £6,129 GBP|-10.7%
Do Amore 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
October 30, 2026
Retailer 2£2,011 GBP
Retailer 15£2,196 GBP
Retailer 11£2,298 GBP
Retailer 3£2,428 GBP
Retailer 13£2,463 GBP
Retailer 5£2,657 GBP
Retailer 14£3,228 GBP
Retailer 12£3,435 GBP
Retailer 10£3,644 GBP
Retailer 8£4,377 GBP
Retailer 6£5,105 GBP
Retailer 9£6,584 GBP
Retailer 4£12,601 GBP
Retailer 7£13,202 GBP
Do Amore Diamonds£13,885 GBP

28 data points across 15 retailers

13 retailers£2,011 GBP to £13,885 GBP

A+
Cheapest Retailer
-
£2,011 GBP
$2,678 USD
A
Retailer 2
-
£2,196 GBP
$2,924 USD
View
A
Retailer 3
-
£2,298 GBP
$3,060 USD
View
A
Retailer 4
-
£2,428 GBP
$3,233 USD
View
A
Retailer 5
-
£2,463 GBP
$3,280 USD
View
A
Retailer 6
-
£2,657 GBP
$3,538 USD
View
Final sale: no returns
A
Retailer 7
-
£3,228 GBP
$4,299 USD
View
B+
Retailer 8
-
£3,435 GBP
$4,574 USD
View
B+
Retailer 9
-
£3,644 GBP
$4,853 USD
View
B+
Retailer 10
-
£4,377 GBP
€5,551 EUR
View
B+
Retailer 11
-
£6,584 GBP
View
B
Retailer 12
-
£12,601 GBP
$16,780 USD
View
Most Expensive
B
Do Amore Diamonds
27-E9C3818C7 · Oct 29
£13,885 GBP
$18,490 USD
View
12 more retailers have this diamond
Prices start from £2,011 GBPSave up to £11,874 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+
3.50ct Heart
£2,011 GBP