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Heart|Lab Grown|IGI

3.09ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG737517545

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG737517545

Diamond specifications and retailer prices

From £1,610 GBP
A$3,298 AUD
As of October 29, 2026
Save £1,499 GBP (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,040 GBP at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 3.09ct lab-grown heart diamond

This 3.09ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG737517545 or 737517545. Listed at 7 retailers as of October 29, 2026, with a 93% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.09
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737517545
Dimensions8.77 × 10.02 × 6.15 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.77 mm10.02 mm3.09 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737517545
Side View
Table 58.0%Crown 36°Girdle: MED-THKPavilion 41.7°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £4,040 GBP|Low: £877 GBP|High: £4,228 GBP|Avg: £1,996 GBP|-4.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 11£877 GBP
Retailer 9£971 GBP
Retailer 3£1,097 GBP
Retailer 12£1,126 GBP
Retailer 4£1,146 GBP
Retailer 8£1,158 GBP
Retailer 2£1,610 GBP
Retailer 5£2,560 GBP
Retailer 6£2,725 GBP
Retailer 7£2,754 GBP
Retailer 10£2,812 GBP
Retailer 13£3,109 GBP
Brilliant Earth£4,040 GBP

19 data points across 13 retailers

7 retailers£1,610 GBP to £3,109 GBP

Retailer 1
-
£971 GBP
HK$10,100 HKD
Price last confirmed 21 days ago
B+
Retailer 2
-
£1,610 GBP
A$3,298 AUD
View
Retailer 3
-
£2,725 GBP
View
Price last confirmed 21 days ago
Retailer 4
-
£2,754 GBP
A$5,643 AUD
View
Price last confirmed 27 days ago
Retailer 5
-
£2,812 GBP
SGD 5,061 SGD
View
Price last confirmed 22 days ago
B
Retailer 6
-
£3,109 GBP
CA$5,750 CAD
View
Most Expensive
Brilliant Earth
19850259Y · Oct 8
£4,040 GBP
$5,380 USD
View
Price last confirmed 21 days ago
6 more retailers have this diamond
Prices start from £1,610 GBPSave up to £1,499 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.

B+
3.09ct Heart
£1,610 GBP