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Oval|Lab Grown|IGI

1.25ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG729575934

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG729575934

Diamond specifications and retailer prices

From $798 AUD
As of November 3, 2026
Save $3,863 AUD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,661 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.25ct lab-grown oval diamond

This 1.25ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729575934 or 729575934. Listed at 22 retailers as of November 2, 2026, with prices from $798 to $4,661, a $3,863 spread on the same certified stone. Brilliant Earth lists it at $4,661. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729575934
Dimensions8.51 × 6.09 × 3.78 mm
L/W Ratio1.40
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
8.51 mm6.09 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729575934
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

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: $4,661 AUD|Low: $798 AUD|High: $4,661 AUD|Avg: $2,065 AUD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 22
November 5, 2026
Retailer 3$798 AUD
Retailer 11$894 AUD
Retailer 21$894 AUD
Retailer 8$989 AUD
Retailer 10$989 AUD
Retailer 22$1,183 AUD
Retailer 7$1,282 AUD
Retailer 4$1,311 AUD
Retailer 12$1,326 AUD
Retailer 18$1,505 AUD
Retailer 2$1,528 AUD
Retailer 16$1,706 AUD
Retailer 20$2,160 AUD
Retailer 13$2,249 AUD
Retailer 19$2,413 AUD
Retailer 5$2,604 AUD
Retailer 15$2,794 AUD
Retailer 9$3,133 AUD
Retailer 14$3,209 AUD
Retailer 6$3,339 AUD
Retailer 17$4,296 AUD
Brilliant Earth$4,661 AUD

20 data points across 22 retailers

22 retailers$798 AUD to $4,661 AUD

A
Cheapest Retailer
-
$798 AUD
A
Retailer 2
-
$894 AUD
View
Final sale: no returns
A
Retailer 3
-
$894 AUD
View
B+
Retailer 4
-
$989 AUD
View
Retailer 5
-
$989 AUD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$1,183 AUD
View
B+
Retailer 7
-
$1,282 AUD
View
B+
Retailer 8
-
$1,311 AUD
View
B+
Retailer 9
-
$1,326 AUD
View
B+
Retailer 10
-
$1,505 AUD
View
B+
Retailer 11
-
$1,528 AUD
View
B+
Retailer 12
-
$1,706 AUD
View
B
Retailer 13
-
$2,160 AUD
View
B+
Retailer 14
-
$2,249 AUD
View
B
Retailer 15
-
$2,413 AUD
View
B
Retailer 16
-
$2,604 AUD
View
B
Retailer 17
-
$3,133 AUD
View
B
Retailer 18
-
$3,209 AUD
View
B
Retailer 19
-
$3,339 AUD
View
B
Retailer 20
-
$4,296 AUD
View
B
Retailer 21
-
$4,661 AUD
View
Most Expensive
B
Brilliant Earth
15907606A · Nov 2
$4,661 AUD
$3,270 USD
View
21 more retailers have this diamond
Prices start from $798 AUDSave up to $3,863 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
1.25ct Oval
$798 AUD