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Princess|Lab Grown|IGI

1.28ct F VVS1 Princess Lab Grown Diamond

ID • F/VVS1 • IGI LG636414933

Shape and cutting style on the report: Princess cut

Certificate IGI LG636414933

Diamond specifications and retailer prices

From £383 GBP
As of November 6, 2026
Save £526 GBP (58%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,001 GBP at Reve Diamonds · As of October 11, 2026
View at Reve Diamonds

About this 1.28ct lab-grown princess diamond

This 1.28ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG636414933 or 636414933. Listed at 21 retailers as of November 5, 2026, with a 137% 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

1.28
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636414933
Dimensions5.89 × 5.85 × 4.26 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.89 mm5.85 mm1.28 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636414933
Side View
Table 69.0%Crown 44.3°Girdle: MediumPavilion 39.1°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 6
Current: £386 GBP|Low: £177 GBP|High: £1,001 GBP|Avg: £521 GBP|+16.0%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 5£205 GBP
Retailer 2£228 GBP
Retailer 8£243 GBP
Retailer 14£347 GBP
Retailer 6£383 GBP
Retailer 1£386 GBP
Retailer 10£428 GBP
Retailer 3£464 GBP
Retailer 4£480 GBP
Retailer 12£557 GBP
Retailer 16£601 GBP
Retailer 13£732 GBP
Retailer 15£734 GBP
Retailer 9£755 GBP
Retailer 7£770 GBP
Retailer 11£909 GBP
Reve Diamonds£1,001 GBP

41 data points across 17 retailers

21 retailers£383 GBP to £909 GBP

Retailer 1
-
£158 GBP
Price last confirmed 46 days ago
Retailer 2
-
£184 GBP
View
Price last confirmed 45 days ago
Retailer 3
-
£194 GBP
View
Price last confirmed 41 days ago
Retailer 4
-
£228 GBP
View
Price last confirmed 26 days ago
Retailer 5
-
£228 GBP
View
Price last confirmed 13 days ago
Retailer 6
-
£347 GBP
View
Price last confirmed 9 days ago
A
Retailer 7
-
£383 GBP
View
A
Retailer 8
-
£386 GBP
View
B+
Retailer 9
-
£428 GBP
View
B+
Retailer 10
-
£464 GBP
View
B+
Retailer 11
-
£480 GBP
View
B+
Retailer 12
-
£557 GBP
View
Retailer 13
-
£598 GBP
View
Price last confirmed 20 days ago
Retailer 14
-
£598 GBP
View
Price last confirmed 20 days ago
Retailer 15
-
£601 GBP
View
Price last confirmed 20 days ago
B+
Retailer 16
-
£732 GBP
View
B
Retailer 17
-
£734 GBP
View
B
Retailer 18
-
£755 GBP
View
B
Retailer 19
-
£770 GBP
View
B
Retailer 20
-
£909 GBP
View
Most Expensive
Reve Diamonds
0F74752EF · Oct 11
£1,001 GBP
$1,340 USD
View
Price last confirmed 26 days ago
20 more retailers have this diamond
Prices start from £383 GBPSave up to £526 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
1.28ct Princess
£383 GBP