Princess|Lab Grown|IGI

1.51ct G VVS1 Princess Lab Grown Diamond

VG • G/VVS1 • IGI LG670419099

Shape and cutting style on the report: Princess cut

Certificate IGI LG670419099

Diamond specifications and retailer prices

From £140 GBP
As of November 2, 2026
Save £907 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,048 GBP at Brilliant Earth · As of November 2, 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 VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG670419099 or 670419099. Listed at 19 retailers as of November 2, 2026, with prices from £140 to £1,048, a £907 spread on the same certified stone. Brilliant Earth lists it at £1,048. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
G
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670419099
Dimensions6.17 × 6.01 × 4.62 mm
L/W Ratio1.03
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
6.17 mm6.01 mm1.51 ctG / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670419099
Side View
Table 66.0%Crown 41.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 76.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £1,048 GBP|Low: £140 GBP|High: £1,508 GBP|Avg: £528 GBP|-29.9%
Brilliant Earth
Retailer 2
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November 2, 2026
Retailer 18£140 GBP
Retailer 3£157 GBP
Retailer 17£163 GBP
Retailer 4£174 GBP
Retailer 10£181 GBP
Retailer 19£294 GBP
Retailer 15£300 GBP
Retailer 8£305 GBP
Retailer 14£313 GBP
Retailer 5£366 GBP
Retailer 13£405 GBP
Retailer 12£461 GBP
Retailer 6£461 GBP
Retailer 11£509 GBP
Retailer 9£599 GBP
Retailer 7£723 GBP
Retailer 2£813 GBP
Retailer 16£921 GBP
Brilliant Earth£1,048 GBP

31 data points across 19 retailers

19 retailers£140 GBP to £1,048 GBP

A
Cheapest Retailer
-
£140 GBP
A
Retailer 2
-
£157 GBP
View
Final sale: no returns
A
Retailer 3
-
£163 GBP
View
A
Retailer 4
-
£174 GBP
View
Retailer 5
-
£181 GBP
View
Price last confirmed 11 days ago
Retailer 6
-
£294 GBP
View
Price last confirmed 7 days ago
A
Retailer 7
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£300 GBP
View
B+
Retailer 8
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£305 GBP
View
A
Retailer 9
-
£313 GBP
View
A
Retailer 10
-
£366 GBP
View
A
Retailer 11
-
£405 GBP
View
B+
Retailer 12
-
£461 GBP
View
B+
Retailer 13
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£461 GBP
View
B
Retailer 14
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£599 GBP
View
B
Retailer 15
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£723 GBP
View
B
Retailer 16
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£813 GBP
View
B
Retailer 17
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£921 GBP
View
Retailer 18
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£925 GBP
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
14271148A · Nov 2
£1,048 GBP
$1,410 USD
View
18 more retailers have this diamond
Prices start from £140 GBPSave up to £907 GBP

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
£140 GBP