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Radiant|Lab Grown|IGI

1.26ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG669419025

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG669419025

Diamond specifications and retailer prices

From $346 AUD
As of November 4, 2026
Save $2,426 AUD (88%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,771 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.26ct lab-grown radiant diamond

This 1.26ct lab-grown radiant 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 LG669419025 or 669419025. Listed at 27 retailers as of November 4, 2026, with prices from $346 to $2,771, a $2,426 spread on the same certified stone. Brilliant Earth lists it at $2,771. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669419025
Dimensions7.87 × 5.29 × 3.60 mm
L/W Ratio1.49
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
7.87 mm5.29 mm1.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669419025
Side View
Table 60.0%Crown 40.2°Girdle: MediumPavilion 34.3°Culet: NoneDepth 68.1%

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 4
Current: $2,771 AUD|Low: $346 AUD|High: $3,543 AUD|Avg: $1,262 AUD|-21.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3$346 AUD
Retailer 6$386 AUD
Retailer 4$607 AUD
Retailer 5$716 AUD
Retailer 9$740 AUD
Retailer 2$804 AUD
Retailer 7$1,050 AUD
Retailer 12$1,384 AUD
Retailer 8$1,718 AUD
Retailer 10$1,746 AUD
Retailer 11$2,636 AUD
Brilliant Earth$2,771 AUD

44 data points across 12 retailers

27 retailers$346 AUD to $2,771 AUD

A
Cheapest Retailer
-
$346 AUD
Retailer 2
-
$346 AUD
View
Price last confirmed 29 days ago
Retailer 3
-
$346 AUD
View
Price last confirmed 37 days ago
A
Retailer 4
-
$386 AUD
View
Final sale: no returns
Retailer 5
-
$401 AUD
View
Price last confirmed 40 days ago
Retailer 6
-
$423 AUD
View
Price last confirmed 38 days ago
Retailer 7
-
$429 AUD
View
Price last confirmed 34 days ago
A
Retailer 8
-
$493 AUD
View
A
Retailer 9
-
$607 AUD
View
A
Retailer 10
-
$716 AUD
View
A
Retailer 11
-
$740 AUD
View
A
Retailer 12
-
$773 AUD
View
A
Retailer 13
-
$804 AUD
View
A
Retailer 14
-
$1,050 AUD
View
B+
Retailer 15
-
$1,176 AUD
View
B+
Retailer 16
-
$1,379 AUD
View
Retailer 17
-
$1,379 AUD
View
Price last confirmed 37 days ago
Retailer 18
-
$1,379 AUD
View
Price last confirmed 27 days ago
B+
Retailer 19
-
$1,384 AUD
View
B+
Retailer 20
-
$1,453 AUD
View
B+
Retailer 21
-
$1,453 AUD
View
B+
Retailer 22
-
$1,581 AUD
View
B+
Retailer 23
-
$1,718 AUD
View
B+
Retailer 24
-
$1,746 AUD
View
B
Retailer 25
-
$1,897 AUD
View
Retailer 26
-
$2,636 AUD
View
Price last confirmed 19 days ago
Most Expensive
B
Brilliant Earth
13182610A · Nov 4
$2,771 AUD
$1,940 USD
View
26 more retailers have this diamond
Prices start from $346 AUDSave up to $2,426 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
1.26ct Radiant
$346 AUD