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Round|Lab Grown|IGI

1.29ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG839698431

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839698431

Diamond specifications and retailer prices

From $413 AUD
$290 USD
As of October 28, 2026
Save $3,146 AUD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,559 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round 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 LG839698431 or 839698431. Listed at 14 retailers as of October 28, 2026, with prices from $413 to $3,559, a $3,146 spread on the same certified stone. Brilliant Earth lists it at $3,559. 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 angle33.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839698431
Dimensions7.04 × 7.09 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.04 mm7.09 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839698431
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
A+
Exceptional
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 28
Current: $874 AUD|Low: $413 AUD|High: $1,902 AUD|Avg: $993 AUD|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 8$413 AUD
Retailer 5$510 AUD
Retailer 9$619 AUD
Retailer 2$683 AUD
Retailer 7$744 AUD
Retailer 6$758 AUD
Retailer 11$788 AUD
Retailer 1$874 AUD
Retailer 10$1,116 AUD
Retailer 4$1,419 AUD
Retailer 13$1,481 AUD
Retailer 12$1,758 AUD
Retailer 3$1,853 AUD

23 data points across 13 retailers

14 retailers$413 AUD to $3,559 AUD

A+
Cheapest Retailer
-
$413 AUD
$290 USD
Final sale: no returns
A
Retailer 2
-
$510 AUD
HK$2,800 HKD
View
A
Retailer 3
-
$619 AUD
$435 USD
View
A
Retailer 4
-
$683 AUD
$480 USD
View
A
Retailer 5
-
$744 AUD
£412 GBP
View
A
Retailer 6
-
$758 AUD
€507 EUR
View
A
Retailer 7
-
$788 AUD
ZAR 8,940 ZAR
View
A
Retailer 8
-
$874 AUD
£484 GBP
View
A
Retailer 9
-
$1,116 AUD
View
B+
Retailer 10
-
$1,419 AUD
$997 USD
View
B+
Retailer 11
-
$1,481 AUD
SGD 1,406 SGD
View
B+
Retailer 12
-
$1,758 AUD
$1,235 USD
View
B+
Retailer 13
-
$1,853 AUD
£1,025 GBP
View
Most Expensive
B
Brilliant Earth
21711149A · Oct 29
$3,559 AUD
$2,500 USD
View
13 more retailers have this diamond
Prices start from $413 AUDSave up to $3,146 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 Round
$413 AUD