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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 $176 USD
As of October 30, 2026
Save $566 USD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $742 USD 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 $176 to $742, a $566 spread on the same certified stone. Friendly Diamonds lists it at $742. 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
Color
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: $742 USD|Low: $176 USD|High: $1,570 USD|Avg: $531 USD
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$176 USD
Retailer 14$204 USD
Retailer 8$219 USD
Retailer 12$243 USD
Retailer 7$284 USD
Retailer 13$388 USD
Retailer 2$392 USD
Retailer 4$427 USD
Retailer 9$472 USD
Retailer 11$473 USD
Retailer 10$703 USD
Friendly Diamonds$742 USD
Retailer 5$1,000 USD
Retailer 6$1,570 USD

5 data points across 14 retailers

11 retailers$176 USD to $742 USD

A
Cheapest Retailer
-
$176 USD
A
Retailer 2
-
$204 USD
View
A
Retailer 3
-
$219 USD
View
A
Retailer 4
-
$243 USD
HK$1,900 HKD
View
A
Retailer 5
-
$284 USD
£224 GBP
View
B+
Retailer 6
-
$388 USD
View
A
Retailer 7
-
$392 USD
£309 GBP
View
B+
Retailer 8
-
$472 USD
View
B+
Retailer 9
-
$473 USD
View
B
Retailer 10
-
$703 USD
View
Most Expensive
B
Friendly Diamonds
6557920 · Oct 31
$742 USD
View
10 more retailers have this diamond
Prices start from $176 USDSave up to $566 USD

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
$176 USD