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Heart|Lab Grown|IGI

3.06ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG836603012

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836603012

Diamond specifications and retailer prices

From £1,309 GBP
As of November 4, 2026
Save £10,645 GBP (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £11,953 GBP at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 3.06ct lab-grown heart diamond

This 3.06ct 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 LG836603012 or 836603012. Listed at 13 retailers as of November 1, 2026, with prices from £1,309 to £11,953, a £10,645 spread on the same certified stone. Novita Diamonds lists it at £11,953. 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

3.06
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836603012
Dimensions9.08 × 9.63 × 5.75 mm
L/W Ratio1.06
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
9.08 mm9.63 mm3.06 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836603012
Side View
Table 59.0%Crown 36.5°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
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 4
Current: £11,953 GBP|Low: £1,309 GBP|High: £12,103 GBP|Avg: £4,884 GBP|-1.0%
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
November 4, 2026
Retailer 2£1,309 GBP
Retailer 7£1,623 GBP
Retailer 3£1,774 GBP
Retailer 10£1,953 GBP
Retailer 6£2,198 GBP
Retailer 8£2,247 GBP
Retailer 12£3,085 GBP
Retailer 9£3,902 GBP
Retailer 4£5,130 GBP
Retailer 13£6,338 GBP
Retailer 11£7,345 GBP
Retailer 5£7,413 GBP
Novita Diamonds£11,953 GBP

34 data points across 13 retailers

13 retailers£1,309 GBP to £11,953 GBP

A
Cheapest Retailer
-
£1,309 GBP
Retailer 2
-
£1,497 GBP
View
Price last confirmed 27 days ago
A
Retailer 3
-
£1,623 GBP
View
A
Retailer 4
-
£1,774 GBP
View
A
Retailer 5
-
£1,953 GBP
View
A
Retailer 6
-
£2,198 GBP
View
A
Retailer 7
-
£2,247 GBP
View
B+
Retailer 8
-
£3,085 GBP
View
B+
Retailer 9
-
£3,902 GBP
View
Retailer 10
-
£5,130 GBP
View
Price last confirmed 19 days ago
B+
Retailer 11
-
£6,338 GBP
View
B
Retailer 12
-
£7,345 GBP
View
Most Expensive
B
Novita Diamonds
cert_836603012 · Nov 1
£11,953 GBP
A$24,662 AUD
View
12 more retailers have this diamond
Prices start from £1,309 GBPSave up to £10,645 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
3.06ct Heart
£1,309 GBP