Oval|Lab Grown|IGI

1.22ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG817629126

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817629126

Diamond specifications and retailer prices

From $302 AUD
As of November 3, 2026
Save $1,196 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,051 AUD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.22ct lab-grown oval diamond

This 1.22ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817629126 or 817629126. Listed at 13 retailers as of November 2, 2026, with a 396% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817629126
Dimensions8.88 × 6.06 × 3.68 mm
L/W Ratio1.47
Girdle conditionFaceted
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
8.88 mm6.06 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817629126
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.7%

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 3
Current: $3,051 AUD|Low: $294 AUD|High: $3,321 AUD|Avg: $1,191 AUD|-8.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 8$302 AUD
Retailer 6$643 AUD
Retailer 9$691 AUD
Retailer 5$721 AUD
Retailer 3$915 AUD
Retailer 7$1,203 AUD
Retailer 2$1,207 AUD
Retailer 4$1,498 AUD
Retailer 10$2,238 AUD
Brilliant Earth$3,051 AUD

32 data points across 10 retailers

13 retailers$302 AUD to $1,498 AUD

A
Cheapest Retailer
-
$302 AUD
Retailer 2
-
$314 AUD
View
Price last confirmed 43 days ago
Retailer 3
-
$364 AUD
View
Price last confirmed 41 days ago
A
Retailer 4
-
$643 AUD
View
A
Retailer 5
-
$721 AUD
View
A
Retailer 6
-
$915 AUD
View
B+
Retailer 7
-
$1,006 AUD
View
B+
Retailer 8
-
$1,203 AUD
View
B+
Retailer 9
-
$1,207 AUD
View
Retailer 10
-
$1,247 AUD
View
Price last confirmed 40 days ago
B+
Retailer 11
-
$1,498 AUD
View
Retailer 12
-
$2,238 AUD
View
Price last confirmed 15 days ago
Most Expensive
Brilliant Earth
20729708A · Oct 21
$3,051 AUD
$2,140 USD
View
Price last confirmed 14 days ago
12 more retailers have this diamond
Prices start from $302 AUDSave up to $1,196 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
1.22ct Oval
$302 AUD