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Heart|Lab Grown|IGI

3.05ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG723586150

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG723586150

Diamond specifications and retailer prices

From £1,064 GBP
As of November 2, 2026
Save £10,852 GBP (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £11,916 GBP at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

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 LG723586150 or 723586150. Listed at 20 retailers as of November 1, 2026, with prices from £1,064 to £11,916, a £10,852 spread on the same certified stone. Novita Diamonds lists it at £11,916. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723586150
Dimensions9.01 × 10.19 × 5.73 mm
L/W Ratio1.13
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
9.01 mm10.19 mm3.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723586150
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 56.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £11,916 GBP|Low: £1,064 GBP|High: £12,401 GBP|Avg: £3,261 GBP|-3.5%
Novita Diamonds
Retailer 2
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Retailer 20
November 3, 2026
Retailer 20£1,064 GBP
Retailer 18£1,157 GBP
Retailer 11£1,191 GBP
Retailer 4£1,234 GBP
Retailer 19£1,361 GBP
Retailer 8£1,453 GBP
Retailer 10£1,731 GBP
Retailer 13£1,929 GBP
Retailer 12£1,947 GBP
Retailer 14£2,176 GBP
Retailer 5£2,553 GBP
Retailer 16£3,075 GBP
Retailer 2£3,172 GBP
Retailer 3£3,326 GBP
Retailer 15£3,890 GBP
Retailer 7£4,705 GBP
Retailer 9£4,804 GBP
Retailer 6£7,322 GBP
Retailer 17£7,412 GBP
Novita Diamonds£11,916 GBP

43 data points across 20 retailers

20 retailers£1,064 GBP to £11,916 GBP

A
Cheapest Retailer
-
£1,064 GBP
A
Retailer 2
-
£1,157 GBP
View
A
Retailer 3
-
£1,191 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,234 GBP
View
A
Retailer 5
-
£1,361 GBP
View
A
Retailer 6
-
£1,453 GBP
View
A
Retailer 7
-
£1,731 GBP
View
A
Retailer 8
-
£1,929 GBP
View
A
Retailer 9
-
£1,947 GBP
View
A
Retailer 10
-
£2,176 GBP
View
A
Retailer 11
-
£2,553 GBP
View
B+
Retailer 12
-
£3,075 GBP
View
B+
Retailer 13
-
£3,172 GBP
View
B+
Retailer 14
-
£3,326 GBP
View
B+
Retailer 15
-
£3,890 GBP
View
B+
Retailer 16
-
£4,705 GBP
View
B+
Retailer 17
-
£4,804 GBP
View
B
Retailer 18
-
£7,322 GBP
View
B
Retailer 19
-
£7,412 GBP
View
Most Expensive
B
Novita Diamonds
cert_723586150 · Nov 1
£11,916 GBP
A$24,585 AUD
View
19 more retailers have this diamond
Prices start from £1,064 GBPSave up to £10,852 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
£1,064 GBP