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Oval|Lab Grown|IGI

0.55ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445039187

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445039187

Diamond specifications and retailer prices

From $419 AUD
$294 USD
As of November 1, 2026
Save $1,659 AUD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,077 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.55ct lab-grown oval diamond

This 0.55ct lab-grown oval sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445039187 or 445039187. Listed at 10 retailers as of November 1, 2026, with prices from $419 to $2,077, a $1,659 spread on the same certified stone. MOH London lists it at $2,077. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445039187
Dimensions6.58 × 4.60 × 2.83 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.58 mm4.60 mm0.55 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445039187
Side View
Table 59.0%Crown 34°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 61.5%

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 1
Current: $2,077 AUD|Low: $401 AUD|High: $2,103 AUD|Avg: $939 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4$419 AUD
Retailer 6$518 AUD
Retailer 8$518 AUD
Retailer 5$569 AUD
Retailer 9$740 AUD
Retailer 7$850 AUD
Retailer 2$954 AUD
Retailer 10$1,035 AUD
Retailer 3$1,593 AUD
MOH London$2,077 AUD

21 data points across 10 retailers

10 retailers$419 AUD to $2,077 AUD

A
Cheapest Retailer
-
$419 AUD
$294 USD
A
Retailer 2
-
$485 AUD
$341 USD
View
B+
Retailer 3
-
$518 AUD
$364 USD
View
Retailer 4
-
$518 AUD
$364 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$569 AUD
$400 USD
View
B
Retailer 6
-
$850 AUD
$597 USD
View
B
Retailer 7
-
$954 AUD
€638 EUR
View
B
Retailer 8
-
$1,593 AUD
$1,119 USD
View
B
Retailer 9
-
$1,667 AUD
$1,171 USD
View
Most Expensive
B
MOH London
LG445039187 · Nov 1
$2,077 AUD
£1,149 GBP
View
9 more retailers have this diamond
Prices start from $419 AUDSave up to $1,659 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 Oval
$419 AUD