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Oval|Lab Grown|IGI

1.25ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG811641231

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG811641231

Diamond specifications and retailer prices

From $364 AUD
As of November 4, 2026
Save $2,274 AUD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,637 AUD at Brilliant Earth · As of November 4, 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 LG811641231 or 811641231. Listed at 21 retailers as of November 4, 2026, with prices from $364 to $2,637, a $2,274 spread on the same certified stone. Brilliant Earth lists it at $2,637. 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 angle33.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811641231
Dimensions8.81 × 6.07 × 3.80 mm
L/W Ratio1.45
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
8.81 mm6.07 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811641231
Side View
Table 58.0%Crown 33.9°Girdle: THN-THKPavilion 40.3°Culet: NoneDepth 62.6%

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: $2,637 AUD|Low: $322 AUD|High: $3,150 AUD|Avg: $1,156 AUD|-16.3%
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
November 5, 2026
Retailer 7$335 AUD
Retailer 4$364 AUD
Retailer 8$416 AUD
Retailer 15$570 AUD
Retailer 13$673 AUD
Retailer 12$696 AUD
Retailer 2$733 AUD
Retailer 5$874 AUD
Retailer 11$985 AUD
Retailer 14$1,046 AUD
Retailer 3$1,149 AUD
Retailer 10$1,350 AUD
Retailer 9$1,585 AUD
Retailer 16$1,829 AUD
Retailer 6$2,295 AUD
Brilliant Earth$2,637 AUD

36 data points across 16 retailers

21 retailers$364 AUD to $2,637 AUD

Retailer 1
-
$335 AUD
Price last confirmed 26 days ago
Retailer 2
-
$345 AUD
View
Price last confirmed 43 days ago
A
Retailer 3
-
$364 AUD
View
Final sale: no returns
Retailer 4
-
$401 AUD
View
Price last confirmed 41 days ago
Retailer 5
-
$416 AUD
View
Price last confirmed 24 days ago
Retailer 6
-
$416 AUD
View
Price last confirmed 34 days ago
Retailer 7
-
$422 AUD
View
Price last confirmed 41 days ago
A
Retailer 8
-
$570 AUD
View
A
Retailer 9
-
$673 AUD
View
A
Retailer 10
-
$696 AUD
View
A
Retailer 11
-
$733 AUD
View
A
Retailer 12
-
$874 AUD
View
A
Retailer 13
-
$985 AUD
View
B+
Retailer 14
-
$1,046 AUD
View
B+
Retailer 15
-
$1,149 AUD
View
Retailer 16
-
$1,336 AUD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$1,350 AUD
View
B+
Retailer 18
-
$1,585 AUD
View
B
Retailer 19
-
$1,829 AUD
View
Retailer 20
-
$2,295 AUD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
21016039A · Nov 4
$2,637 AUD
$1,850 USD
View
20 more retailers have this diamond
Prices start from $364 AUDSave up to $2,274 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
$364 AUD