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Round|Lab Grown|IGI

0.55ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG700512746

Shape and cutting style on the report: Round brilliant

Certificate IGI LG700512746

Diamond specifications and retailer prices

From $123 AUD
As of November 5, 2026
Save $995 AUD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,118 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 LG700512746 or 700512746. Listed at 13 retailers as of November 4, 2026, with prices from $123 to $1,118, a $995 spread on the same certified stone. MOH London lists it at $1,118. 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 angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700512746
Dimensions5.25 × 5.23 × 3.26 mm
L/W Ratio1.00
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
5.25 mm5.23 mm0.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700512746
Side View
Table 57.0%Crown 35.7°Girdle: Med.Pavilion 40.7°Culet: NoneDepth 62.2%

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: $1,118 AUD|Low: $123 AUD|High: $1,127 AUD|Avg: $358 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 13$123 AUD
Retailer 10$143 AUD
Retailer 9$163 AUD
Retailer 3$221 AUD
Retailer 2$274 AUD
Retailer 7$293 AUD
Retailer 11$326 AUD
Retailer 5$367 AUD
Retailer 4$386 AUD
Retailer 12$487 AUD
Retailer 8$491 AUD
Retailer 6$547 AUD
MOH London$1,118 AUD

23 data points across 13 retailers

13 retailers$123 AUD to $1,118 AUD

A
Cheapest Retailer
-
$123 AUD
A
Retailer 2
-
$143 AUD
View
A
Retailer 3
-
$163 AUD
View
A
Retailer 4
-
$221 AUD
View
A
Retailer 5
-
$274 AUD
View
A
Retailer 6
-
$293 AUD
View
A
Retailer 7
-
$326 AUD
View
B+
Retailer 8
-
$327 AUD
View
B+
Retailer 9
-
$386 AUD
View
B+
Retailer 10
-
$487 AUD
View
B+
Retailer 11
-
$491 AUD
View
B+
Retailer 12
-
$547 AUD
View
Most Expensive
B
MOH London
LG700512746 · Nov 4
$1,118 AUD
£616 GBP
View
12 more retailers have this diamond
Prices start from $123 AUDSave up to $995 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
$123 AUD