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Princess|Lab Grown|IGI

1.29ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG840622313

Shape and cutting style on the report: Princess cut

Certificate IGI LG840622313

Diamond specifications and retailer prices

From $401 AUD
$282 USD
As of October 30, 2026
Save $2,517 AUD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,918 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.29ct lab-grown princess diamond

This 1.29ct lab-grown princess 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 LG840622313 or 840622313. Listed at 22 retailers as of October 29, 2026, with prices from $401 to $2,918, a $2,517 spread on the same certified stone. Brilliant Earth lists it at $2,918. 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 angle41.2°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840622313
Dimensions5.96 × 5.87 × 4.19 mm
L/W Ratio1.02
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
5.96 mm5.87 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840622313
Side View
Table 69.0%Crown 41.2°Girdle: STK-THKPavilion 37.4°Culet: NoneDepth 71.4%

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: Oct 30
Current: $2,918 AUD|Low: $401 AUD|High: $2,918 AUD|Avg: $1,300 AUD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 22
October 30, 2026
Retailer 3$401 AUD
Retailer 10$450 AUD
Retailer 21$466 AUD
Retailer 8$498 AUD
Retailer 19$498 AUD
Retailer 18$755 AUD
Retailer 13$815 AUD
Retailer 6$821 AUD
Retailer 17$855 AUD
Retailer 9$857 AUD
Retailer 2$876 AUD
Retailer 16$1,211 AUD
Retailer 5$1,268 AUD
Retailer 22$1,529 AUD
Retailer 12$1,597 AUD
Retailer 4$1,600 AUD
Retailer 15$1,672 AUD
Retailer 14$1,762 AUD
Retailer 20$2,005 AUD
Retailer 7$2,242 AUD
Retailer 11$2,839 AUD
Brilliant Earth$2,918 AUD

15 data points across 22 retailers

22 retailers$401 AUD to $2,918 AUD

A
Cheapest Retailer
-
$401 AUD
$282 USD
A
Retailer 2
-
$450 AUD
$316 USD
View
Final sale: no returns
A
Retailer 3
-
$466 AUD
$327 USD
View
A
Retailer 4
-
$498 AUD
$350 USD
View
A
Retailer 5
-
$498 AUD
$350 USD
View
A
Retailer 6
-
$755 AUD
$530 USD
View
A
Retailer 7
-
$815 AUD
€545 EUR
View
A
Retailer 8
-
$821 AUD
$577 USD
View
A
Retailer 9
-
$855 AUD
ZAR 9,704 ZAR
View
A
Retailer 10
-
$857 AUD
$602 USD
View
A
Retailer 11
-
$876 AUD
£485 GBP
View
A
Retailer 12
-
$1,211 AUD
View
A
Retailer 13
-
$1,268 AUD
$891 USD
View
A
Retailer 14
-
$1,529 AUD
$1,074 USD
View
A
Retailer 15
-
$1,597 AUD
SGD 1,516 SGD
View
A
Retailer 16
-
$1,600 AUD
$1,124 USD
View
B+
Retailer 17
-
$1,672 AUD
$1,174 USD
View
B+
Retailer 18
-
$1,762 AUD
$1,238 USD
View
B+
Retailer 19
-
$2,005 AUD
£1,109 GBP
View
B+
Retailer 20
-
$2,242 AUD
$1,575 USD
View
B
Retailer 21
-
$2,839 AUD
$1,994 USD
View
Most Expensive
B
Brilliant Earth
22142676A · Oct 29
$2,918 AUD
$2,050 USD
View
21 more retailers have this diamond
Prices start from $401 AUDSave up to $2,517 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 Princess
$401 AUD