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Heart|Lab Grown|IGI

3.07ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG658493577

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG658493577

Diamond specifications and retailer prices

From $600 AUD
As of November 4, 2026
Save $2,937 AUD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,537 AUD at Brilliant Earth · As of November 4, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG658493577 or 658493577. Listed at 14 retailers as of November 4, 2026, with prices from $600 to $3,537, a $2,937 spread on the same certified stone. Brilliant Earth lists it at $3,537. 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

3.07
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658493577
Dimensions8.76 × 10.22 × 6.01 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.76 mm10.22 mm3.07 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658493577
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 58.8%

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: $3,537 AUD|Low: $600 AUD|High: $6,884 AUD|Avg: $1,888 AUD|-48.6%
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
November 5, 2026
Retailer 7$600 AUD
Retailer 8$671 AUD
Retailer 11$744 AUD
Retailer 13$914 AUD
Retailer 10$953 AUD
Retailer 5$1,173 AUD
Retailer 2$1,209 AUD
Retailer 3$1,294 AUD
Retailer 4$1,493 AUD
Retailer 12$2,084 AUD
Retailer 9$2,388 AUD
Retailer 6$2,896 AUD
Brilliant Earth$3,537 AUD

35 data points across 13 retailers

14 retailers$600 AUD to $3,537 AUD

A
Cheapest Retailer
-
$600 AUD
Retailer 2
-
$626 AUD
View
Price last confirmed 40 days ago
A
Retailer 3
-
$671 AUD
View
Retailer 4
-
$744 AUD
View
Price last confirmed 25 days ago
Retailer 5
-
$744 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$953 AUD
View
B+
Retailer 7
-
$1,173 AUD
View
A
Retailer 8
-
$1,209 AUD
View
B+
Retailer 9
-
$1,294 AUD
View
B+
Retailer 10
-
$1,493 AUD
View
B
Retailer 11
-
$2,084 AUD
View
B
Retailer 12
-
$2,388 AUD
View
B
Retailer 13
-
$2,896 AUD
View
Most Expensive
B
Brilliant Earth
11923740A · Nov 4
$3,537 AUD
$2,430 USD
View
13 more retailers have this diamond
Prices start from $600 AUDSave up to $2,937 AUD

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
$600 AUD