Heart|Lab Grown|IGI

3.00ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG816602143

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816602143

Diamond specifications and retailer prices

From £1,804 GBP
A$3,718 AUD
As of October 31, 2026
26 retailers carry this diamond
Most expensive: £11,873 GBP at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3ct lab-grown heart diamond

This 3ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816602143 or 816602143. Listed at 26 retailers as of October 31, 2026. 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

3.00
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816602143
Dimensions10.09 × 8.56 × 6.09 mm
L/W Ratio1.18
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
10.09 mm8.56 mm3.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816602143
Side View
Table 59.0%Crown 34.9°Girdle: MED-THKPavilion 42.4°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £11,873 GBP|Low: £1,159 GBP|High: £12,204 GBP|Avg: £3,367 GBP|-2.3%
Novita 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
Retailer 16
October 29, 2026
Retailer 3£1,159 GBP
Retailer 4£1,200 GBP
Retailer 12£1,328 GBP
Retailer 5£1,364 GBP
Retailer 9£1,735 GBP
Retailer 2£1,804 GBP
Retailer 15£1,895 GBP
Retailer 13£2,002 GBP
Retailer 14£2,181 GBP
Retailer 11£2,761 GBP
Retailer 8£3,074 GBP
Retailer 6£3,235 GBP
Retailer 10£3,464 GBP
Retailer 7£4,220 GBP
Retailer 16£9,090 GBP
Novita Diamonds£11,873 GBP

31 data points across 16 retailers

26 retailers

Retailer 1
-
£993 GBP
$1,331 USD
Price last confirmed 30 days ago
Retailer 2
-
£1,034 GBP
$1,386 USD
View
Price last confirmed 21 days ago
Retailer 3
-
£1,172 GBP
$1,571 USD
View
Price last confirmed 33 days ago
Retailer 4
-
£1,200 GBP
$1,608 USD
View
Price last confirmed 18 days ago
Retailer 5
-
£1,200 GBP
$1,608 USD
View
Price last confirmed 20 days ago
Retailer 6
-
£1,200 GBP
$1,608 USD
View
Price last confirmed 22 days ago
Retailer 7
-
£1,200 GBP
$1,608 USD
View
Price last confirmed 29 days ago
Retailer 8
-
£1,275 GBP
$1,709 USD
View
Price last confirmed 34 days ago
Retailer 9
-
£1,341 GBP
$1,797 USD
View
Price last confirmed 32 days ago
Retailer 10
-
£1,735 GBP
View
Price last confirmed 16 days ago
A
Retailer 11
-
£1,804 GBP
A$3,718 AUD
View
Retailer 12
-
£1,895 GBP
$2,539 USD
View
Price last confirmed 16 days ago
Retailer 13
-
£2,002 GBP
$2,683 USD
View
Price last confirmed 17 days ago
Retailer 14
-
£2,181 GBP
$2,922 USD
View
Price last confirmed 13 days ago
Retailer 15
-
£2,249 GBP
$3,014 USD
View
Price last confirmed 22 days ago
Retailer 16
-
£2,549 GBP
$3,415 USD
View
Price last confirmed 32 days ago
Retailer 17
-
£2,761 GBP
ZAR 59,763 ZAR
View
Price last confirmed 18 days ago
Retailer 18
-
£3,074 GBP
A$6,336 AUD
View
Price last confirmed 34 days ago
Retailer 19
-
£3,150 GBP
$4,221 USD
View
Price last confirmed 16 days ago
Retailer 20
-
£3,235 GBP
$4,334 USD
View
Price last confirmed 16 days ago
Retailer 21
-
£3,464 GBP
View
Price last confirmed 18 days ago
Retailer 22
-
£4,220 GBP
$5,655 USD
View
Price last confirmed 15 days ago
Retailer 23
-
£4,502 GBP
View
Price last confirmed 16 days ago
Retailer 24
-
£9,090 GBP
$12,180 USD
View
Price last confirmed 15 days ago
Retailer 25
-
£9,366 GBP
$12,550 USD
View
Price last confirmed 30 days ago
Most Expensive
Novita Diamonds
cert_816602143 · Oct 8
£11,873 GBP
A$24,475 AUD
View
Price last confirmed 24 days ago
25 more retailers have this diamond
Prices start from £1,804 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
3.00ct Heart
£1,804 GBP