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Round|Lab Grown|IGI

0.55ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG783602910

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783602910

Diamond specifications and retailer prices

From $130 AUD
As of November 5, 2026
Save $1,056 AUD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,186 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 0.55ct lab-grown round diamond

This 0.55ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783602910 or 783602910. Listed at 11 retailers as of November 4, 2026, with prices from $130 to $1,186, a $1,056 spread on the same certified stone. MOH London lists it at $1,186. 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

0.55
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783602910
Dimensions5.33 × 5.29 × 3.21 mm
L/W Ratio1.01
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
5.33 mm5.29 mm0.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783602910
Side View
Table 59.0%Crown 33.3°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.5%

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 5
Current: $1,186 AUD|Low: $127 AUD|High: $1,226 AUD|Avg: $410 AUD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6$130 AUD
Retailer 11$151 AUD
Retailer 8$173 AUD
Retailer 3$176 AUD
Retailer 4$229 AUD
Retailer 2$299 AUD
Retailer 10$339 AUD
Retailer 9$520 AUD
Retailer 5$580 AUD
Retailer 7$603 AUD
MOH London$1,186 AUD

43 data points across 11 retailers

11 retailers$130 AUD to $1,186 AUD

A
Cheapest Retailer
-
$130 AUD
A
Retailer 2
-
$151 AUD
View
A
Retailer 3
-
$173 AUD
View
Retailer 4
-
$176 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$229 AUD
View
A
Retailer 6
-
$299 AUD
View
A
Retailer 7
-
$339 AUD
View
B+
Retailer 8
-
$520 AUD
View
B+
Retailer 9
-
$580 AUD
View
B+
Retailer 10
-
$603 AUD
View
Most Expensive
B
MOH London
LG783602910 · Nov 4
$1,186 AUD
£654 GBP
View
10 more retailers have this diamond
Prices start from $130 AUDSave up to $1,056 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
0.55ct Round
$130 AUD