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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 €215 EUR
$240 USD
As of November 2, 2026
Save €868 EUR (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,486 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 1, 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
Color
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

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: Nov 2
Current: €1,486 EUR|Low: €206 EUR|High: €1,486 EUR|Avg: €538 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 1, 2026
Retailer 18€215 EUR
Retailer 8€241 EUR
Retailer 9€249 EUR
Retailer 4€267 EUR
Retailer 7€267 EUR
Retailer 11€311 EUR
Retailer 17€358 EUR
Retailer 2€460 EUR
Retailer 13€481 EUR
Retailer 10€491 EUR
Retailer 12€500 EUR
Retailer 14€621 EUR
Retailer 16€683 EUR
Retailer 6€857 EUR
Retailer 3€895 EUR
Retailer 15€1,069 EUR
Retailer 5€1,083 EUR
Brilliant Earth€1,486 EUR

43 data points across 18 retailers

20 retailers€215 EUR to €1,083 EUR

A
Cheapest Retailer
-
€215 EUR
$240 USD
A
Retailer 2
-
€241 EUR
$269 USD
View
Final sale: no returns
A
Retailer 3
-
€249 EUR
$278 USD
View
A
Retailer 4
-
€267 EUR
$298 USD
View
Retailer 5
-
€267 EUR
$298 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€311 EUR
£274 GBP
View
B+
Retailer 7
-
€358 EUR
$400 USD
View
A
Retailer 8
-
€437 EUR
$488 USD
View
A
Retailer 9
-
€460 EUR
ZAR 8,302 ZAR
View
B+
Retailer 10
-
€481 EUR
View
B+
Retailer 11
-
€491 EUR
$548 USD
View
A
Retailer 12
-
€500 EUR
£440 GBP
View
B+
Retailer 13
-
€621 EUR
A$1,067 AUD
View
B+
Retailer 14
-
€683 EUR
$763 USD
View
B
Retailer 15
-
€857 EUR
$957 USD
View
B
Retailer 16
-
€895 EUR
$1,000 USD
View
B
Retailer 17
-
€903 EUR
$1,009 USD
View
Retailer 18
-
€1,069 EUR
£940 GBP
View
Price last confirmed 7 days ago
B
Retailer 19
-
€1,083 EUR
$1,210 USD
View
Most Expensive
Brilliant Earth
21312267A · Oct 22
€1,486 EUR
$1,660 USD
View
Price last confirmed 10 days ago
19 more retailers have this diamond
Prices start from €215 EURSave up to €868 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
€215 EUR