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Oval|Lab Grown|IGI

1.00ct J SI2 Oval Lab Grown Diamond

ID • J/SI2 • IGI LG384929452

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG384929452

Diamond specifications and retailer prices

From $380 AUD
As of November 6, 2026
Save $726 AUD (66%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,106 AUD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG384929452 or 384929452. Listed at 4 retailers as of November 6, 2026, with prices from $380 to $1,106, a $726 spread on the same certified stone. The Diamond Guys lists it at $1,106. 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

1.00
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishGood
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG384929452
Dimensions7.63 × 5.63 × 3.57 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.63 mm5.63 mm1.00 ctJ / SI2
OriginLab Grown
CutIdeal
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI LG384929452
Side View
Table 61.5%CrownGirdle: STK-VTKPavilionCulet: NoneDepth

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $515 AUD|Low: $380 AUD|High: $1,106 AUD|Avg: $718 AUD|-11.9%
Retailer 1
Retailer 2
Retailer 3
The Diamond Guys
November 6, 2026
Retailer 2$380 AUD
Retailer 1$515 AUD
Retailer 3$835 AUD
The Diamond Guys$1,106 AUD

2 data points across 4 retailers

4 retailers$380 AUD to $1,106 AUD

B
Cheapest Retailer
-
$380 AUD
B+
Retailer 2
-
$515 AUD
View
B+
Retailer 3
-
$835 AUD
View
Most Expensive
B
The Diamond Guys
1779252862 · Nov 6
$1,106 AUD
$760 USD
View
3 more retailers have this diamond
Prices start from $380 AUDSave up to $726 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.

B+
1.00ct Oval
$380 AUD