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Heart|Lab Grown|IGI

3.00ct G SI1 Heart Lab Grown Diamond

ID • G/SI1 • IGI LG529246771

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG529246771

Diamond specifications and retailer prices

From $658 AUD
As of November 4, 2026
Save $5,193 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,851 AUD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 3ct lab-grown heart diamond

This 3ct lab-grown heart sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG529246771 or 529246771. Listed at 17 retailers as of November 4, 2026, with prices from $658 to $5,851, a $5,193 spread on the same certified stone. Do Amore Diamonds lists it at $5,851. 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

3.00
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529246771
Dimensions8.40 × 10.05 × 6.10 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
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
8.40 mm10.05 mm3.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529246771
Side View
Table 59.5%Crown 41.2°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 60.7%

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 4
Current: $2,369 AUD|Low: $632 AUD|High: $3,804 AUD|Avg: $1,653 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 14$658 AUD
Retailer 8$738 AUD
Retailer 7$816 AUD
Retailer 12$816 AUD
Retailer 11$1,026 AUD
Retailer 13$1,038 AUD
Retailer 6$1,212 AUD
Retailer 5$1,247 AUD
Retailer 2$1,273 AUD
Retailer 9$1,485 AUD
Retailer 15$2,195 AUD
Retailer 1$2,369 AUD
Retailer 3$3,216 AUD
Retailer 4$3,301 AUD
Retailer 10$3,749 AUD

46 data points across 15 retailers

17 retailers$658 AUD to $5,851 AUD

A
Cheapest Retailer
-
$658 AUD
A
Retailer 2
-
$738 AUD
View
A
Retailer 3
-
$816 AUD
View
Final sale: no returns
A
Retailer 4
-
$816 AUD
View
A
Retailer 5
-
$1,026 AUD
View
A
Retailer 6
-
$1,135 AUD
View
A
Retailer 7
-
$1,212 AUD
View
A
Retailer 8
-
$1,247 AUD
View
B+
Retailer 9
-
$1,273 AUD
View
A
Retailer 10
-
$1,485 AUD
View
B+
Retailer 11
-
$2,195 AUD
View
B
Retailer 12
-
$2,369 AUD
View
B
Retailer 13
-
$3,104 AUD
View
B
Retailer 14
-
$3,216 AUD
View
B
Retailer 15
-
$3,301 AUD
View
B
Retailer 16
-
$3,749 AUD
View
Most Expensive
B
Do Amore Diamonds
27-DE4E58281 · Nov 6
$5,851 AUD
$4,020 USD
View
16 more retailers have this diamond
Prices start from $658 AUDSave up to $5,193 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
3.00ct Heart
$658 AUD