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Radiant|Lab Grown|IGI

1.29ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG840630413

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

Certificate IGI LG840630413

Diamond specifications and retailer prices

From $386 AUD
$271 USD
As of November 2, 2026
Save $3,111 AUD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,573 AUD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.29ct lab-grown radiant diamond

This 1.29ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840630413 or 840630413. Listed at 22 retailers as of November 2, 2026, with a 806% 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

1.29
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.5°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630413
Dimensions7.36 × 5.37 × 3.68 mm
L/W Ratio1.37
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
7.36 mm5.37 mm1.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630413
Side View
Table 64.0%Crown 48.5°Girdle: MediumPavilion 37.6°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
A+
Exceptional
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 2
Current: $3,573 AUD|Low: $386 AUD|High: $4,755 AUD|Avg: $1,479 AUD|-0.4%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 13$386 AUD
Retailer 3$458 AUD
Retailer 11$468 AUD
Retailer 10$491 AUD
Retailer 22$491 AUD
Retailer 2$505 AUD
Retailer 21$719 AUD
Retailer 5$809 AUD
Retailer 17$846 AUD
Retailer 4$850 AUD
Retailer 16$864 AUD
Retailer 19$916 AUD
Retailer 7$1,239 AUD
Retailer 6$1,508 AUD
Retailer 9$1,577 AUD
Retailer 8$1,649 AUD
Retailer 15$1,813 AUD
Retailer 18$1,967 AUD
Retailer 12$2,033 AUD
Retailer 20$3,118 AUD
Retailer 14$3,496 AUD
Rare Carat$3,573 AUD

20 data points across 22 retailers

22 retailers$386 AUD to $3,496 AUD

A+
Cheapest Retailer
-
$386 AUD
$271 USD
A
Retailer 2
-
$458 AUD
$322 USD
View
A
Retailer 3
-
$468 AUD
$329 USD
View
Final sale: no returns
A
Retailer 4
-
$491 AUD
$345 USD
View
Retailer 5
-
$491 AUD
$345 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$505 AUD
£279 GBP
View
A
Retailer 7
-
$719 AUD
$505 USD
View
A
Retailer 8
-
$809 AUD
$568 USD
View
A
Retailer 9
-
$846 AUD
ZAR 9,600 ZAR
View
A
Retailer 10
-
$850 AUD
$597 USD
View
A
Retailer 11
-
$864 AUD
£478 GBP
View
A
Retailer 12
-
$916 AUD
€613 EUR
View
B+
Retailer 13
-
$1,239 AUD
$870 USD
View
B+
Retailer 14
-
$1,508 AUD
$1,059 USD
View
B+
Retailer 15
-
$1,577 AUD
$1,108 USD
View
B+
Retailer 16
-
$1,649 AUD
$1,159 USD
View
B+
Retailer 17
-
$1,813 AUD
SGD 1,721 SGD
View
B+
Retailer 18
-
$1,967 AUD
£1,088 GBP
View
B
Retailer 19
-
$2,033 AUD
$1,428 USD
View
B
Retailer 20
-
$3,118 AUD
$2,190 USD
View
B
Retailer 21
-
$3,496 AUD
$2,456 USD
View
Most Expensive
Rare Carat
JH-252758 · Oct 18
$3,573 AUD
$2,510 USD
View
Price last confirmed 14 days ago
21 more retailers have this diamond
Prices start from $386 AUDSave up to $3,111 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+
1.29ct Radiant
$386 AUD