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 $282 USD
As of October 27, 2026
Save $1,768 USD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,050 USD at Brilliant Earth · As of October 28, 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 27, 2026, with prices from $282 to $2,050, a $1,768 spread on the same certified stone. Brilliant Earth lists it at $2,050. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $2,050 USD|Low: $282 USD|High: $2,050 USD|Avg: $915 USD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
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Retailer 11
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Retailer 22
October 29, 2026
Retailer 3$282 USD
Retailer 10$316 USD
Retailer 21$327 USD
Retailer 8$350 USD
Retailer 19$350 USD
Retailer 18$530 USD
Retailer 13$572 USD
Retailer 6$577 USD
Retailer 17$601 USD
Retailer 9$602 USD
Retailer 2$615 USD
Retailer 16$851 USD
Retailer 5$891 USD
Retailer 22$1,074 USD
Retailer 12$1,122 USD
Retailer 4$1,124 USD
Retailer 15$1,174 USD
Retailer 14$1,238 USD
Retailer 20$1,408 USD
Retailer 7$1,575 USD
Retailer 11$1,994 USD
Brilliant Earth$2,050 USD

14 data points across 22 retailers

22 retailers$282 USD to $2,050 USD

A
Cheapest Retailer
-
$282 USD
A
Retailer 2
-
$316 USD
View
Final sale: no returns
A
Retailer 3
-
$327 USD
View
A
Retailer 4
-
$350 USD
View
A
Retailer 5
-
$350 USD
View
A
Retailer 6
-
$530 USD
View
A
Retailer 7
-
$572 USD
€545 EUR
View
A
Retailer 8
-
$577 USD
View
A
Retailer 9
-
$601 USD
ZAR 9,704 ZAR
View
A
Retailer 10
-
$602 USD
View
A
Retailer 11
-
$615 USD
£484 GBP
View
A
Retailer 12
-
$851 USD
A$1,309 AUD
View
A
Retailer 13
-
$891 USD
View
A
Retailer 14
-
$1,074 USD
View
A
Retailer 15
-
$1,122 USD
SGD 1,516 SGD
View
A
Retailer 16
-
$1,124 USD
View
B+
Retailer 17
-
$1,174 USD
View
B+
Retailer 18
-
$1,238 USD
View
B+
Retailer 19
-
$1,408 USD
£1,109 GBP
View
B+
Retailer 20
-
$1,575 USD
View
B
Retailer 21
-
$1,994 USD
View
Most Expensive
B
Brilliant Earth
22142676A · Oct 28
$2,050 USD
View
21 more retailers have this diamond
Prices start from $282 USDSave up to $1,768 USD

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
$282 USD