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Round|Lab Grown|IGI

0.77ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG828666741

Certificate IGI LG828666741

Diamond specifications and retailer prices

From $334 AUD
As of November 5, 2026
Save $963 AUD (74%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,571 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 0.77ct lab-grown round diamond

This 0.77ct lab-grown round sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG828666741 or 828666741. Listed at 5 retailers as of November 5, 2026, with a 288% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.77
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG828666741
Dimensions5.98 × 5.95 × 3.58 mm
L/W Ratio1.01
Top View
5.98 mm5.95 mm0.77 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828666741
Side View
Table 59.0%CrownGirdle: ThinPavilionCulet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,571 AUD|Low: $334 AUD|High: $2,571 AUD|Avg: $1,055 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 4$334 AUD
Retailer 5$547 AUD
Retailer 2$943 AUD
Retailer 3$1,297 AUD
Do Amore Diamonds$2,571 AUD

4 data points across 5 retailers

5 retailers$334 AUD to $1,297 AUD

A
Cheapest Retailer
-
$334 AUD
B+
Retailer 2
-
$547 AUD
View
B
Retailer 3
-
$943 AUD
View
B
Retailer 4
-
$1,297 AUD
View
Most Expensive
Do Amore Diamonds
16-603990 · Nov 4
$2,571 AUD
$1,800 USD
View
Price under review
4 more retailers have this diamond
Prices start from $334 AUDSave up to $963 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
0.77ct Round
$334 AUD