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Oval|Lab Grown|IGI

1.01ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG557240926

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG557240926

Diamond specifications and retailer prices

From $218 AUD
As of November 3, 2026
Save $703 AUD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,275 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.01ct lab-grown oval diamond

This 1.01ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG557240926 or 557240926. Listed at 13 retailers as of November 3, 2026, with a 322% 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

1.01
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557240926
Dimensions8.04 × 5.74 × 3.63 mm
L/W Ratio1.40
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
8.04 mm5.74 mm1.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557240926
Side View
Table 59.5%Crown 35.5°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 63.2%

Caratlytics Score

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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 3
Current: $1,275 AUD|Low: $210 AUD|High: $1,283 AUD|Avg: $549 AUD|-0.6%
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 9$218 AUD
Retailer 3$253 AUD
Retailer 10$271 AUD
Retailer 13$271 AUD
Retailer 2$322 AUD
Retailer 6$466 AUD
Retailer 5$467 AUD
Retailer 11$498 AUD
Retailer 7$684 AUD
Retailer 4$735 AUD
Retailer 12$872 AUD
Retailer 8$921 AUD
MOH London$1,275 AUD

44 data points across 13 retailers

13 retailers$218 AUD to $921 AUD

A
Cheapest Retailer
-
$218 AUD
A
Retailer 2
-
$253 AUD
View
Retailer 3
-
$271 AUD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$271 AUD
View
A
Retailer 5
-
$322 AUD
View
A
Retailer 6
-
$466 AUD
View
A
Retailer 7
-
$467 AUD
View
A
Retailer 8
-
$498 AUD
View
B+
Retailer 9
-
$684 AUD
View
B+
Retailer 10
-
$735 AUD
View
B+
Retailer 11
-
$872 AUD
View
B
Retailer 12
-
$921 AUD
View
Most Expensive
MOH London
LG557240926 · Oct 29
$1,275 AUD
£690 GBP
View
Price last confirmed 8 days ago
12 more retailers have this diamond
Prices start from $218 AUDSave up to $703 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
1.01ct Oval
$218 AUD