Princess|Lab Grown|IGI

1.29ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG660485325

Shape and cutting style on the report: Princess cut

Certificate IGI LG660485325

Diamond specifications and retailer prices

From $2,200 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $2,200 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
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 LG660485325 or 660485325. Listed at a single retailer as of October 28, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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 angle46.3°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660485325
Dimensions5.87 × 5.81 × 4.23 mm
L/W Ratio1.01
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
5.87 mm5.81 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660485325
Side View
Table 70.0%Crown 46.3°Girdle: MediumPavilion 38.2°Culet: NoneDepth 72.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: $2,200 USD|Low: $202 USD|High: $2,490 USD|Avg: $1,045 USD|-11.6%
Brilliant Earth
Retailer 2
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Retailer 12
June 13, 2026
Retailer 2$202 USD
Retailer 3$466 USD
Retailer 4$480 USD
Retailer 5$571 USD
Retailer 7$629 USD
Retailer 8$718 USD
Retailer 11$772 USD
Retailer 12$1,018 USD
Retailer 9$1,173 USD
Retailer 6$1,177 USD
Retailer 10$1,366 USD
Brilliant Earth$2,200 USD

58 data points across 12 retailers

1 retailer

B
Brilliant Earth
15304840A · Oct 28
$2,200 USD
View

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B
1.29ct Princess
$2,200 USD