Princess|Lab Grown|IGI

1.28ct E VS2 Princess Lab Grown Diamond

EX • E/VS2 • IGI LG838646847

Shape and cutting style on the report: Princess cut

Certificate IGI LG838646847

Diamond specifications and retailer prices

From £256 GBP
$340 USD
As of October 29, 2026
Save £683 GBP (73%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £939 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG838646847 or 838646847. Listed at 9 retailers as of October 29, 2026, with prices from £256 to £939, a £683 spread on the same certified stone. Brilliant Earth lists it at £939. 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 angle43.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838646847
Dimensions5.87 × 5.86 × 4.32 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.87 mm5.86 mm1.28 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838646847
Side View
Table 67.0%Crown 43.8°Girdle: MediumPavilion 39.6°Culet: NoneDepth 73.7%

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: Oct 29
Current: £939 GBP|Low: £256 GBP|High: £939 GBP|Avg: £466 GBP|+50.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6£256 GBP
Retailer 9£283 GBP
Retailer 5£294 GBP
Retailer 10£316 GBP
Retailer 2£371 GBP
Retailer 3£459 GBP
Retailer 8£486 GBP
Retailer 4£617 GBP
Retailer 7£736 GBP
Brilliant Earth£939 GBP

8 data points across 10 retailers

9 retailers£256 GBP to £939 GBP

A
Cheapest Retailer
-
£256 GBP
$340 USD
B+
Retailer 2
-
£283 GBP
$377 USD
View
A
Retailer 3
-
£294 GBP
$392 USD
View
A
Retailer 4
-
£371 GBP
€471 EUR
View
B+
Retailer 5
-
£413 GBP
$550 USD
View
B+
Retailer 6
-
£486 GBP
$648 USD
View
B+
Retailer 7
-
£617 GBP
A$1,265 AUD
View
B
Retailer 8
-
£736 GBP
$980 USD
View
Most Expensive
B
Brilliant Earth
22280805A · Oct 29
£939 GBP
$1,250 USD
View
8 more retailers have this diamond
Prices start from £256 GBPSave up to £683 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
£256 GBP