Oval|Lab Grown|IGI

1.21ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG743546435

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG743546435

Diamond specifications and retailer prices

From $368 AUD
As of November 4, 2026
Save $2,554 AUD (87%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $2,922 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.21ct lab-grown oval diamond

This 1.21ct 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 LG743546435 or 743546435. Listed at 30 retailers as of November 4, 2026, with prices from $368 to $2,922, a $2,554 spread on the same certified stone. Brilliant Earth lists it at $2,922. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743546435
Dimensions8.68 × 6.10 × 3.66 mm
L/W Ratio1.42
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
8.68 mm6.10 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743546435
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.0%

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 4
Current: $2,922 AUD|Low: $368 AUD|High: $3,336 AUD|Avg: $1,219 AUD|-12.4%
Brilliant Earth
Retailer 2
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Retailer 20
November 5, 2026
Retailer 17$368 AUD
Retailer 9$473 AUD
Retailer 4$577 AUD
Retailer 19$683 AUD
Retailer 14$701 AUD
Retailer 8$750 AUD
Retailer 2$753 AUD
Retailer 15$868 AUD
Retailer 7$887 AUD
Retailer 18$992 AUD
Retailer 5$1,085 AUD
Retailer 3$1,313 AUD
Retailer 10$1,383 AUD
Retailer 11$1,383 AUD
Retailer 12$1,490 AUD
Retailer 13$1,625 AUD
Retailer 16$1,773 AUD
Retailer 6$1,839 AUD
Retailer 20$2,202 AUD
Brilliant Earth$2,922 AUD

40 data points across 20 retailers

30 retailers$368 AUD to $2,922 AUD

Retailer 1
-
$341 AUD
Price last confirmed 38 days ago
A
Retailer 2
-
$368 AUD
View
Final sale: no returns
Retailer 3
-
$381 AUD
View
Price last confirmed 23 days ago
Retailer 4
-
$395 AUD
View
Price last confirmed 41 days ago
A
Retailer 5
-
$406 AUD
View
Retailer 6
-
$406 AUD
View
Price last confirmed 26 days ago
Retailer 7
-
$406 AUD
View
Price last confirmed 34 days ago
Retailer 8
-
$416 AUD
View
Price last confirmed 37 days ago
A
Retailer 9
-
$473 AUD
View
A
Retailer 10
-
$577 AUD
View
A
Retailer 11
-
$683 AUD
View
A
Retailer 12
-
$701 AUD
View
A
Retailer 13
-
$750 AUD
View
A
Retailer 14
-
$753 AUD
View
A
Retailer 15
-
$868 AUD
View
A
Retailer 16
-
$887 AUD
View
Retailer 17
-
$992 AUD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
$1,085 AUD
View
Retailer 19
-
$1,309 AUD
View
Price last confirmed 26 days ago
B+
Retailer 20
-
$1,313 AUD
View
Retailer 21
-
$1,357 AUD
View
Price last confirmed 36 days ago
B+
Retailer 22
-
$1,383 AUD
View
B+
Retailer 23
-
$1,383 AUD
View
B+
Retailer 24
-
$1,490 AUD
View
B+
Retailer 25
-
$1,625 AUD
View
B+
Retailer 26
-
$1,773 AUD
View
B
Retailer 27
-
$1,839 AUD
View
Retailer 28
-
$2,202 AUD
View
Price last confirmed 15 days ago
Retailer 29
-
$2,217 AUD
View
Price last confirmed 77 days ago
Most Expensive
B
Brilliant Earth
16656348A · Nov 4
$2,922 AUD
$2,050 USD
View
29 more retailers have this diamond
Prices start from $368 AUDSave up to $2,554 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
1.21ct Oval
$368 AUD