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Heart|Lab Grown|IGI

1.34ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG706577738

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG706577738

Diamond specifications and retailer prices

From $251 AUD
$176 USD
As of October 30, 2026
Save $806 AUD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,056 AUD at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

About this 1.34ct lab-grown heart diamond

This 1.34ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG706577738 or 706577738. Listed at 11 retailers as of October 30, 2026, with prices from $251 to $1,056, a $806 spread on the same certified stone. Friendly Diamonds lists it at $1,056. 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

1.34
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706577738
Dimensions6.79 × 7.64 × 4.38 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.79 mm7.64 mm1.34 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706577738
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 57.3%

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: Oct 30
Current: $1,056 AUD|Low: $251 AUD|High: $2,235 AUD|Avg: $756 AUD
Friendly Diamonds
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
October 31, 2026
Retailer 3$251 AUD
Retailer 14$290 AUD
Retailer 8$312 AUD
Retailer 12$346 AUD
Retailer 7$405 AUD
Retailer 13$552 AUD
Retailer 2$558 AUD
Retailer 4$608 AUD
Retailer 9$672 AUD
Retailer 11$673 AUD
Retailer 10$1,001 AUD
Friendly Diamonds$1,056 AUD
Retailer 5$1,424 AUD
Retailer 6$2,235 AUD

5 data points across 14 retailers

11 retailers$251 AUD to $1,056 AUD

A
Cheapest Retailer
-
$251 AUD
$176 USD
A
Retailer 2
-
$290 AUD
$204 USD
View
A
Retailer 3
-
$312 AUD
$219 USD
View
A
Retailer 4
-
$346 AUD
HK$1,900 HKD
View
A
Retailer 5
-
$405 AUD
£224 GBP
View
B+
Retailer 6
-
$552 AUD
$388 USD
View
A
Retailer 7
-
$558 AUD
£309 GBP
View
B+
Retailer 8
-
$672 AUD
$472 USD
View
B+
Retailer 9
-
$673 AUD
$473 USD
View
B
Retailer 10
-
$1,001 AUD
$703 USD
View
Most Expensive
B
Friendly Diamonds
6557920 · Oct 31
$1,056 AUD
$742 USD
View
10 more retailers have this diamond
Prices start from $251 AUDSave up to $806 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
1.34ct Heart
$251 AUD