Princess|Lab Grown|IGI

1.28ct E VS2 Princess Lab Grown Diamond

EX • E/VS2 • IGI LG763657620

Shape and cutting style on the report: Princess cut

Certificate IGI LG763657620

Diamond specifications and retailer prices

From £421 GBP
$561 USD
As of October 28, 2026
Save £625 GBP (60%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,922 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG763657620 or 763657620. Listed at 3 retailers as of October 28, 2026, with a 148% 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
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763657620
Dimensions5.79 × 5.78 × 4.26 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.79 mm5.78 mm1.28 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763657620
Side View
Table 71.0%Crown 45.4°Girdle: MediumPavilion 39.4°Culet: NoneDepth 73.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £1,922 GBP|Low: £151 GBP|High: £1,922 GBP|Avg: £463 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
September 15, 2026
Retailer 6£257 GBP
Retailer 5£271 GBP
Retailer 4£421 GBP
Retailer 9£442 GBP
Retailer 8£454 GBP
Retailer 11£456 GBP
Retailer 7£468 GBP
Retailer 10£531 GBP
Retailer 3£790 GBP
Retailer 2£1,046 GBP
Do Amore Diamonds£1,922 GBP

67 data points across 11 retailers

3 retailers£421 GBP to £1,046 GBP

B+
Cheapest Retailer
-
£421 GBP
$561 USD
B
Retailer 2
-
£1,046 GBP
CA$1,935 CAD
View
Most Expensive
Do Amore Diamonds
16-500132560 · Oct 30
£1,922 GBP
$2,560 USD
View
Price under review
2 more retailers have this diamond
Prices start from £421 GBPSave up to £625 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.

B+
1.28ct Princess
£421 GBP