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Radiant|Lab Grown|IGI

1.29ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG750596125

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

Certificate IGI LG750596125

Diamond specifications and retailer prices

From $353 AUD
$248 USD
As of October 30, 2026
Save $2,537 AUD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,890 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG750596125 or 750596125. Listed at 22 retailers as of October 30, 2026, with prices from $353 to $2,890, a $2,537 spread on the same certified stone. Brilliant Earth lists it at $2,890. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750596125
Dimensions7.77 × 5.31 × 3.67 mm
L/W Ratio1.46
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
7.77 mm5.31 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750596125
Side View
Table 59.0%Crown 36.5°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 69.1%

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: Oct 30
Current: $2,890 AUD|Low: $339 AUD|High: $3,516 AUD|Avg: $1,073 AUD|-17.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 17$353 AUD
Retailer 9$394 AUD
Retailer 5$410 AUD
Retailer 6$438 AUD
Retailer 18$438 AUD
Retailer 12$726 AUD
Retailer 4$736 AUD
Retailer 13$753 AUD
Retailer 8$782 AUD
Retailer 11$827 AUD
Retailer 14$1,067 AUD
Retailer 3$1,409 AUD
Retailer 16$1,415 AUD
Retailer 7$1,416 AUD
Retailer 10$1,714 AUD
Retailer 2$1,757 AUD
Retailer 15$2,086 AUD
Brilliant Earth$2,890 AUD

44 data points across 18 retailers

22 retailers$353 AUD to $2,890 AUD

A
Cheapest Retailer
-
$353 AUD
$248 USD
A
Retailer 2
-
$394 AUD
$277 USD
View
Final sale: no returns
A
Retailer 3
-
$410 AUD
$288 USD
View
Retailer 4
-
$438 AUD
$308 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$438 AUD
$308 USD
View
A
Retailer 6
-
$492 AUD
HK$2,700 HKD
View
A
Retailer 7
-
$726 AUD
€486 EUR
View
A
Retailer 8
-
$736 AUD
$517 USD
View
A
Retailer 9
-
$753 AUD
ZAR 8,549 ZAR
View
A
Retailer 10
-
$782 AUD
$549 USD
View
A
Retailer 11
-
$827 AUD
£457 GBP
View
A
Retailer 12
-
$1,067 AUD
View
B+
Retailer 13
-
$1,251 AUD
$879 USD
View
B+
Retailer 14
-
$1,409 AUD
$990 USD
View
B+
Retailer 15
-
$1,415 AUD
$994 USD
View
B+
Retailer 16
-
$1,416 AUD
SGD 1,344 SGD
View
B+
Retailer 17
-
$1,483 AUD
$1,042 USD
View
B+
Retailer 18
-
$1,714 AUD
£948 GBP
View
B+
Retailer 19
-
$1,757 AUD
£972 GBP
View
B
Retailer 20
-
$1,919 AUD
$1,348 USD
View
Retailer 21
-
$2,086 AUD
$1,465 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
19055906A · Oct 31
$2,890 AUD
$2,030 USD
View
21 more retailers have this diamond
Prices start from $353 AUDSave up to $2,537 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
$353 AUD