CaratHunter
Plans
Heart|Lab Grown|IGI

3.44ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG784645684

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784645684

Diamond specifications and retailer prices

From £1,744 GBP
$2,337 USD
As of October 30, 2026
Save £10,279 GBP (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £12,023 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.44ct lab-grown heart diamond

This 3.44ct 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 LG784645684 or 784645684. Listed at 13 retailers as of October 29, 2026, with prices from £1,744 to £12,023, a £10,279 spread on the same certified stone. Do Amore Diamonds lists it at £12,023. 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

3.44
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645684
Dimensions10.07 × 9.60 × 6.14 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
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
10.07 mm9.60 mm3.44 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645684
Side View
Table 58.0%Crown 36.1°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 61.0%

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 30
Current: £12,023 GBP|Low: £1,744 GBP|High: £22,793 GBP|Avg: £6,452 GBP|-17.7%
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£1,744 GBP
Retailer 15£1,901 GBP
Retailer 11£2,043 GBP
Retailer 13£2,149 GBP
Retailer 3£2,343 GBP
Retailer 5£2,493 GBP
Retailer 14£3,075 GBP
Retailer 12£3,106 GBP
Retailer 10£3,162 GBP
Retailer 8£3,785 GBP
Retailer 6£4,792 GBP
Retailer 9£6,022 GBP
Retailer 4£11,367 GBP
Do Amore Diamonds£12,023 GBP
Retailer 7£22,793 GBP

30 data points across 15 retailers

13 retailers£1,744 GBP to £12,023 GBP

A
Cheapest Retailer
-
£1,744 GBP
$2,337 USD
A
Retailer 2
-
£1,901 GBP
$2,547 USD
View
A
Retailer 3
-
£2,043 GBP
$2,737 USD
View
A
Retailer 4
-
£2,149 GBP
$2,880 USD
View
A
Retailer 5
-
£2,343 GBP
$3,139 USD
View
A
Retailer 6
-
£2,493 GBP
$3,340 USD
View
Final sale: no returns
A
Retailer 7
-
£3,075 GBP
$4,120 USD
View
A
Retailer 8
-
£3,106 GBP
$4,162 USD
View
A
Retailer 9
-
£3,162 GBP
$4,237 USD
View
B+
Retailer 10
-
£3,785 GBP
€4,830 EUR
View
B+
Retailer 11
-
£6,022 GBP
View
B
Retailer 12
-
£11,367 GBP
$15,230 USD
View
Most Expensive
B
Do Amore Diamonds
27-7AC024ECA · Oct 29
£12,023 GBP
$16,110 USD
View
12 more retailers have this diamond
Prices start from £1,744 GBPSave up to £10,279 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
3.44ct Heart
£1,744 GBP