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Oval|Lab Grown|IGI

0.81ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG497170759

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG497170759

Diamond specifications and retailer prices

From $897 AUD
$630 USD
As of October 29, 2026
Save $890 AUD (50%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,496 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.81ct lab-grown oval diamond

This 0.81ct lab-grown oval 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 LG497170759 or 497170759. Listed at 12 retailers as of October 28, 2026, with a 99% 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

0.81
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497170759
Dimensions7.48 × 5.23 × 3.32 mm
L/W Ratio1.43
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
7.48 mm5.23 mm0.81 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497170759
Side View
Table 55.0%Crown 36.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 63.5%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $1,753 AUD|Low: $691 AUD|High: $4,673 AUD|Avg: $2,024 AUD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Reve Diamonds
October 30, 2026
Retailer 8$691 AUD
Retailer 5$897 AUD
Retailer 4$945 AUD
Retailer 7$1,058 AUD
Retailer 1$1,753 AUD
Retailer 6$1,786 AUD
Retailer 3$2,800 AUD
Reve Diamonds$3,496 AUD
Retailer 2$4,624 AUD

41 data points across 9 retailers

12 retailers$897 AUD to $1,786 AUD

B+
Cheapest Retailer
-
$897 AUD
$630 USD
B+
Retailer 2
-
$945 AUD
$664 USD
View
B
Retailer 3
-
$1,028 AUD
$722 USD
View
B
Retailer 4
-
$1,058 AUD
$743 USD
View
Final sale: no returns
B
Retailer 5
-
$1,096 AUD
$770 USD
View
Retailer 6
-
$1,096 AUD
$770 USD
View
Price last confirmed 14 days ago
B
Retailer 7
-
$1,753 AUD
£970 GBP
View
B
Retailer 8
-
$1,786 AUD
$1,255 USD
View
Retailer 9
-
$2,800 AUD
$1,967 USD
View
Price under review
Retailer 10
-
$3,082 AUD
$2,165 USD
View
Price under review
Most Expensive
Reve Diamonds
09445CE77 · Oct 30
$3,496 AUD
$2,456 USD
View
Price under review
10 more retailers have this diamond
Prices start from $897 AUDSave up to $890 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+
0.81ct Oval
$897 AUD