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Radiant|Lab Grown|IGI

1.26ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG788607424

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

Certificate IGI LG788607424

Diamond specifications and retailer prices

From $346 AUD
As of November 4, 2026
Save $2,283 AUD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,643 AUD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG788607424 or 788607424. Listed at 21 retailers as of November 4, 2026, with a 660% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788607424
Dimensions8.06 × 5.22 × 3.51 mm
L/W Ratio1.54
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
8.06 mm5.22 mm1.26 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788607424
Side View
Table 65.0%Crown 42.4°Girdle: STK-THKPavilion 33.4°Culet: NoneDepth 67.2%

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: $2,643 AUD|Low: $331 AUD|High: $3,528 AUD|Avg: $1,036 AUD|-1.6%
Rare Carat
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 6, 2026
Retailer 15$346 AUD
Retailer 8$386 AUD
Retailer 5$401 AUD
Retailer 6$429 AUD
Retailer 16$429 AUD
Retailer 12$711 AUD
Retailer 4$723 AUD
Retailer 11$740 AUD
Retailer 7$773 AUD
Retailer 2$804 AUD
Retailer 10$1,050 AUD
Retailer 3$1,379 AUD
Retailer 14$1,383 AUD
Retailer 9$1,714 AUD
Retailer 13$2,628 AUD
Rare Carat$2,643 AUD

46 data points across 16 retailers

21 retailers$346 AUD to $2,628 AUD

A
Cheapest Retailer
-
$346 AUD
A
Retailer 2
-
$386 AUD
View
Final sale: no returns
A
Retailer 3
-
$401 AUD
View
A
Retailer 4
-
$429 AUD
View
Retailer 5
-
$429 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$474 AUD
View
A
Retailer 7
-
$711 AUD
View
A
Retailer 8
-
$723 AUD
View
A
Retailer 9
-
$740 AUD
View
A
Retailer 10
-
$773 AUD
View
A
Retailer 11
-
$804 AUD
View
A
Retailer 12
-
$1,050 AUD
View
B+
Retailer 13
-
$1,176 AUD
View
B+
Retailer 14
-
$1,379 AUD
View
B+
Retailer 15
-
$1,383 AUD
View
B+
Retailer 16
-
$1,386 AUD
View
B+
Retailer 17
-
$1,451 AUD
View
B+
Retailer 18
-
$1,714 AUD
View
B
Retailer 19
-
$1,896 AUD
View
B
Retailer 20
-
$2,628 AUD
View
Most Expensive
Rare Carat
A9-253B · Oct 18
$2,643 AUD
$1,850 USD
View
Price last confirmed 18 days ago
20 more retailers have this diamond
Prices start from $346 AUDSave up to $2,283 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