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Heart|Lab Grown|IGI

3.05ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG797618211

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG797618211

Diamond specifications and retailer prices

From £1,556 GBP
As of November 3, 2026
Save £7,705 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £9,261 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 3.05ct lab-grown heart diamond

This 3.05ct 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 LG797618211 or 797618211. Listed at 19 retailers as of November 3, 2026, with prices from £1,556 to £9,261, a £7,705 spread on the same certified stone. Brilliant Earth lists it at £9,261. 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

3.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797618211
Dimensions9.12 × 10.06 × 5.70 mm
L/W Ratio1.10
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
9.12 mm10.06 mm3.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797618211
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 56.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: £1,737 GBP|Low: £1,556 GBP|High: £5,789 GBP|Avg: £2,957 GBP|-6.6%
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
November 4, 2026
Retailer 2£1,556 GBP
Retailer 1£1,737 GBP
Retailer 13£1,746 GBP
Retailer 4£1,861 GBP
Retailer 8£2,195 GBP
Retailer 10£2,529 GBP
Retailer 6£2,642 GBP
Retailer 9£2,713 GBP
Retailer 12£3,642 GBP
Retailer 7£3,757 GBP
Retailer 5£4,157 GBP
Retailer 11£4,606 GBP
Retailer 3£5,386 GBP

22 data points across 13 retailers

19 retailers£1,556 GBP to £9,261 GBP

Retailer 1
-
£1,497 GBP
Price last confirmed 22 days ago
A
Retailer 2
-
£1,556 GBP
View
Final sale: no returns
Retailer 3
-
£1,625 GBP
View
Price last confirmed 20 days ago
Retailer 4
-
£1,730 GBP
View
Price last confirmed 20 days ago
A
Retailer 5
-
£1,737 GBP
View
A
Retailer 6
-
£1,746 GBP
View
Retailer 7
-
£1,752 GBP
View
Price last confirmed 24 days ago
A
Retailer 8
-
£1,861 GBP
View
A
Retailer 9
-
£2,195 GBP
View
Retailer 10
-
£2,401 GBP
View
Price last confirmed 22 days ago
A
Retailer 11
-
£2,529 GBP
View
A
Retailer 12
-
£2,642 GBP
View
A
Retailer 13
-
£2,713 GBP
View
B+
Retailer 14
-
£3,642 GBP
View
B+
Retailer 15
-
£3,757 GBP
View
B+
Retailer 16
-
£4,157 GBP
View
B+
Retailer 17
-
£4,606 GBP
View
B+
Retailer 18
-
£5,386 GBP
View
Most Expensive
B
Brilliant Earth
19642200A · Nov 3
£9,261 GBP
$12,420 USD
View
18 more retailers have this diamond
Prices start from £1,556 GBPSave up to £7,705 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
3.05ct Heart
£1,556 GBP