Heart|Lab Grown|IGI

3.08ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG700558225

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG700558225

Diamond specifications and retailer prices

From £877 GBP
A$1,808 AUD
As of October 31, 2026
6 retailers carry this diamond
Most expensive: £1,184 GBP at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 3.08ct lab-grown heart diamond

This 3.08ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700558225 or 700558225. Listed at 6 retailers as of October 31, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.08
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700558225
Dimensions9.77 × 8.82 × 5.93 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.77 mm8.82 mm3.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700558225
Side View
Table 59.0%Crown 39.8°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 60.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £877 GBP|Low: £237 GBP|High: £3,538 GBP|Avg: £926 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 21, 2026
Retailer 12£333 GBP
Retailer 11£368 GBP
Retailer 6£491 GBP
Retailer 7£556 GBP
Retailer 5£578 GBP
Retailer 9£600 GBP
Retailer 2£652 GBP
Retailer 4£766 GBP
Retailer 8£805 GBP
Retailer 1£877 GBP
Retailer 10£1,456 GBP
Retailer 3£3,538 GBP

19 data points across 12 retailers

6 retailers

Retailer 1
-
£297 GBP
$398 USD
Price last confirmed 31 days ago
Retailer 2
-
£333 GBP
$446 USD
View
Price last confirmed 32 days ago
Retailer 3
-
£363 GBP
$487 USD
View
Price last confirmed 33 days ago
Retailer 4
-
£805 GBP
$1,078 USD
View
Price last confirmed 30 days ago
B+
Retailer 5
-
£877 GBP
A$1,808 AUD
View
Most Expensive
NZ Jewellers
08dadd5d-e831-4e93-bec0-27d455d83758 · Sep 30
£1,184 GBP
$1,586 USD
View
Price last confirmed 30 days ago
5 more retailers have this diamond
Prices start from £877 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+
3.08ct Heart
£877 GBP