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Princess|Lab Grown|IGI

1.51ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG629441721

Shape and cutting style on the report: Princess cut

Certificate IGI LG629441721

Diamond specifications and retailer prices

From €213 EUR
As of November 4, 2026
Save €861 EUR (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,473 EUR at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629441721 or 629441721. Listed at 20 retailers as of November 4, 2026, with a 404% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629441721
Dimensions6.20 × 6.18 × 4.50 mm
L/W Ratio1.00
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
6.20 mm6.18 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629441721
Side View
Table 70.0%Crown 43.7°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 72.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €1,473 EUR|Low: €204 EUR|High: €1,473 EUR|Avg: €544 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 18€213 EUR
Retailer 8€239 EUR
Retailer 9€247 EUR
Retailer 4€264 EUR
Retailer 7€264 EUR
Retailer 11€308 EUR
Retailer 17€355 EUR
Retailer 14€455 EUR
Retailer 15€477 EUR
Retailer 10€486 EUR
Retailer 2€495 EUR
Retailer 12€617 EUR
Retailer 16€677 EUR
Retailer 6€849 EUR
Retailer 3€888 EUR
Retailer 13€1,058 EUR
Retailer 5€1,074 EUR
Brilliant Earth€1,473 EUR

45 data points across 18 retailers

20 retailers€213 EUR to €1,074 EUR

A
Cheapest Retailer
-
€213 EUR
A
Retailer 2
-
€239 EUR
View
Final sale: no returns
A
Retailer 3
-
€247 EUR
View
A
Retailer 4
-
€264 EUR
View
Retailer 5
-
€264 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
-
€308 EUR
View
B+
Retailer 7
-
€355 EUR
View
A
Retailer 8
-
€433 EUR
View
A
Retailer 9
-
€455 EUR
View
B+
Retailer 10
-
€477 EUR
View
B+
Retailer 11
-
€486 EUR
View
A
Retailer 12
-
€495 EUR
View
B+
Retailer 13
-
€617 EUR
View
B+
Retailer 14
-
€677 EUR
View
B
Retailer 15
-
€849 EUR
View
B
Retailer 16
-
€888 EUR
View
B
Retailer 17
-
€895 EUR
View
B
Retailer 18
-
€1,058 EUR
View
B
Retailer 19
-
€1,074 EUR
View
Most Expensive
Brilliant Earth
21312267A · Oct 22
€1,473 EUR
$1,660 USD
View
Price last confirmed 13 days ago
19 more retailers have this diamond
Prices start from €213 EURSave up to €861 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
1.51ct Princess
€213 EUR