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Princess|Lab Grown|IGI

1.29ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG843627150

Shape and cutting style on the report: Princess cut

Certificate IGI LG843627150

Diamond specifications and retailer prices

From €171 EUR
$191 USD
As of November 1, 2026
Save €509 EUR (75%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €680 EUR at Brilliant Earth · As of October 31, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843627150 or 843627150. Listed at 3 retailers as of October 31, 2026, with prices from €171 to €680, a €509 spread on the same certified stone. Brilliant Earth lists it at €680. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843627150
Dimensions5.23 × 5.17 × 3.71 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.23 mm5.17 mm1.29 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843627150
Side View
Table 70.0%Crown 40.8°Girdle: MediumPavilion 38.4°Culet: NoneDepth 68.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €680 EUR|Low: €171 EUR|High: €689 EUR|Avg: €460 EUR|-1.3%
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3€171 EUR
Retailer 2€349 EUR
Brilliant Earth€680 EUR

23 data points across 3 retailers

3 retailers€171 EUR to €680 EUR

A
Cheapest Retailer
-
€171 EUR
$191 USD
Final sale: no returns
A
Retailer 2
-
€349 EUR
£307 GBP
View
Most Expensive
B+
Brilliant Earth
21744702A · Oct 31
€680 EUR
$760 USD
View
2 more retailers have this diamond
Prices start from €171 EURSave up to €509 EUR

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
€171 EUR