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Radiant|Lab Grown|IGI

1.26ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG811654282

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

Certificate IGI LG811654282

Diamond specifications and retailer prices

From $363 AUD
As of November 4, 2026
Save $1,590 AUD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,671 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 LG811654282 or 811654282. Listed at 22 retailers as of November 4, 2026, with a 438% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811654282
Dimensions7.55 × 5.28 × 3.32 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.55 mm5.28 mm1.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811654282
Side View
Table 68.0%Crown 42.2°Girdle: Slightly ThickPavilion 36.3°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,671 AUD|Low: $349 AUD|High: $2,686 AUD|Avg: $1,030 AUD|-0.5%
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
November 5, 2026
Retailer 5$363 AUD
Retailer 3$406 AUD
Retailer 6$450 AUD
Retailer 2$460 AUD
Retailer 15$607 AUD
Retailer 13$679 AUD
Retailer 11$777 AUD
Retailer 12$806 AUD
Retailer 8$850 AUD
Retailer 10$1,103 AUD
Retailer 14$1,384 AUD
Retailer 7$1,448 AUD
Retailer 9$1,801 AUD
Retailer 4$1,953 AUD
Rare Carat$2,671 AUD

37 data points across 15 retailers

22 retailers$363 AUD to $1,953 AUD

A
Cheapest Retailer
-
$363 AUD
A
Retailer 2
-
$406 AUD
View
Final sale: no returns
A
Retailer 3
-
$421 AUD
View
Retailer 4
-
$450 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$450 AUD
View
A
Retailer 6
-
$460 AUD
View
A
Retailer 7
-
$607 AUD
View
A
Retailer 8
-
$679 AUD
View
A
Retailer 9
-
$777 AUD
View
A
Retailer 10
-
$806 AUD
View
A
Retailer 11
-
$850 AUD
View
A
Retailer 12
-
$920 AUD
View
A
Retailer 13
-
$1,103 AUD
View
B+
Retailer 14
-
$1,180 AUD
View
B+
Retailer 15
-
$1,384 AUD
View
B+
Retailer 16
-
$1,448 AUD
View
B+
Retailer 17
-
$1,453 AUD
View
B+
Retailer 18
-
$1,521 AUD
View
B
Retailer 19
-
$1,763 AUD
View
B+
Retailer 20
-
$1,801 AUD
View
B
Retailer 21
-
$1,953 AUD
View
Most Expensive
Rare Carat
DE7309_l_811654282 · Oct 18
$2,671 AUD
$1,870 USD
View
Price last confirmed 18 days ago
21 more retailers have this diamond
Prices start from $363 AUDSave up to $1,590 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
$363 AUD