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Oval|Lab Grown|IGI

1.21ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG700548458

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG700548458

Diamond specifications and retailer prices

From $324 AUD
As of November 4, 2026
Save $2,228 AUD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,552 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 LG700548458 or 700548458. Listed at 23 retailers as of November 4, 2026, with prices from $324 to $2,552, a $2,228 spread on the same certified stone. Brilliant Earth lists it at $2,552. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700548458
Dimensions8.60 × 5.89 × 3.72 mm
L/W Ratio1.46
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
8.60 mm5.89 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700548458
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40°Culet: NoneDepth 63.2%

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 4
Current: $2,552 AUD|Low: $285 AUD|High: $2,951 AUD|Avg: $1,012 AUD|-13.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 8$297 AUD
Retailer 10$324 AUD
Retailer 9$368 AUD
Retailer 16$506 AUD
Retailer 14$607 AUD
Retailer 12$619 AUD
Retailer 2$651 AUD
Retailer 4$764 AUD
Retailer 5$814 AUD
Retailer 11$874 AUD
Retailer 15$915 AUD
Retailer 3$1,072 AUD
Retailer 6$1,229 AUD
Retailer 13$1,678 AUD
Retailer 17$1,715 AUD
Retailer 7$2,217 AUD
Brilliant Earth$2,552 AUD

40 data points across 17 retailers

23 retailers$324 AUD to $2,552 AUD

Retailer 1
-
$297 AUD
Price last confirmed 26 days ago
Retailer 2
-
$302 AUD
View
Price last confirmed 43 days ago
A
Retailer 3
-
$324 AUD
View
Final sale: no returns
Retailer 4
-
$349 AUD
View
Price last confirmed 41 days ago
Retailer 5
-
$368 AUD
View
Price last confirmed 24 days ago
Retailer 6
-
$368 AUD
View
Price last confirmed 34 days ago
Retailer 7
-
$369 AUD
View
Price last confirmed 41 days ago
B+
Retailer 8
-
$506 AUD
View
A
Retailer 9
-
$607 AUD
View
A
Retailer 10
-
$619 AUD
View
A
Retailer 11
-
$651 AUD
View
A
Retailer 12
-
$764 AUD
View
A
Retailer 13
-
$814 AUD
View
A
Retailer 14
-
$874 AUD
View
B+
Retailer 15
-
$915 AUD
View
B+
Retailer 16
-
$1,072 AUD
View
Retailer 17
-
$1,182 AUD
View
Price last confirmed 29 days ago
Retailer 18
-
$1,186 AUD
View
Price last confirmed 10 days ago
B+
Retailer 19
-
$1,229 AUD
View
B
Retailer 20
-
$1,678 AUD
View
B
Retailer 21
-
$1,715 AUD
View
Retailer 22
-
$2,217 AUD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
17664276A · Nov 4
$2,552 AUD
$1,790 USD
View
22 more retailers have this diamond
Prices start from $324 AUDSave up to $2,228 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
$324 AUD