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Heart|Lab Grown|IGI

3.07ct D IF Heart Lab Grown Diamond

VG • D/IF • IGI LG836621955

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836621955

Diamond specifications and retailer prices

From £1,036 GBP
As of November 2, 2026
Save £5,376 GBP (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £6,413 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 3.07ct lab-grown heart diamond

This 3.07ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG836621955 or 836621955. Listed at 21 retailers as of November 2, 2026, with prices from £1,036 to £6,413, a £5,376 spread on the same certified stone. Brilliant Earth lists it at £6,413. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.07
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836621955
Dimensions8.57 × 9.85 × 5.97 mm
L/W Ratio1.15
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
8.57 mm9.85 mm3.07 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836621955
Side View
Table 57.0%Crown 36.8°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 60.6%

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 2
Current: £6,413 GBP|Low: £1,036 GBP|High: £9,582 GBP|Avg: £2,750 GBP|-33.1%
Brilliant Earth
Retailer 2
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Retailer 20
November 4, 2026
Retailer 7£1,036 GBP
Retailer 4£1,128 GBP
Retailer 8£1,161 GBP
Retailer 20£1,203 GBP
Retailer 18£1,331 GBP
Retailer 12£1,424 GBP
Retailer 13£1,428 GBP
Retailer 2£1,679 GBP
Retailer 11£1,808 GBP
Retailer 19£1,968 GBP
Retailer 3£2,254 GBP
Retailer 6£2,265 GBP
Retailer 17£2,715 GBP
Retailer 14£2,795 GBP
Retailer 9£3,117 GBP
Retailer 15£3,241 GBP
Retailer 16£3,435 GBP
Retailer 5£3,722 GBP
Retailer 10£4,229 GBP
Brilliant Earth£6,413 GBP

26 data points across 20 retailers

21 retailers£1,036 GBP to £6,413 GBP

A
Cheapest Retailer
-
£1,036 GBP
A
Retailer 2
-
£1,128 GBP
View
A
Retailer 3
-
£1,161 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,203 GBP
View
A
Retailer 5
-
£1,331 GBP
View
Retailer 6
-
£1,371 GBP
View
Price last confirmed 23 days ago
A
Retailer 7
-
£1,424 GBP
View
A
Retailer 8
-
£1,428 GBP
View
A
Retailer 9
-
£1,679 GBP
View
A
Retailer 10
-
£1,808 GBP
View
A
Retailer 11
-
£1,968 GBP
View
A
Retailer 12
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£2,254 GBP
View
A
Retailer 13
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£2,265 GBP
View
B+
Retailer 14
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£2,715 GBP
View
B+
Retailer 15
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£2,795 GBP
View
B+
Retailer 16
-
£3,117 GBP
View
B+
Retailer 17
-
£3,241 GBP
View
B+
Retailer 18
-
£3,435 GBP
View
B+
Retailer 19
-
£3,722 GBP
View
B+
Retailer 20
-
£4,229 GBP
View
Most Expensive
B
Brilliant Earth
21588069A · Nov 3
£6,413 GBP
$8,600 USD
View
20 more retailers have this diamond
Prices start from £1,036 GBPSave up to £5,376 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
3.07ct Heart
£1,036 GBP