Princess|Lab Grown|IGI

1.28ct E VS1 Princess Lab Grown Diamond

VG • E/VS1 • IGI LG841654805

Shape and cutting style on the report: Princess cut

Certificate IGI LG841654805

Diamond specifications and retailer prices

From £152 GBP
$204 USD
As of October 30, 2026
Save £747 GBP (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £899 GBP at Reve Diamonds · As of October 30, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG841654805 or 841654805. Listed at 22 retailers as of October 30, 2026, with prices from £152 to £899, a £747 spread on the same certified stone. Reve Diamonds lists it at £899. 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

1.28
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841654805
Dimensions6.03 × 6.01 × 4.01 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.03 mm6.01 mm1.28 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841654805
Side View
Table 65.0%Crown 34.7°Girdle: MediumPavilion 37.4°Culet: NoneDepth 66.7%

Caratlytics Score

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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 30
Current: £343 GBP|Low: £152 GBP|High: £899 GBP|Avg: £396 GBP|+2.0%
Retailer 1
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Retailer 20
Reve Diamonds
October 31, 2026
Retailer 5£152 GBP
Retailer 13£169 GBP
Retailer 4£176 GBP
Retailer 7£188 GBP
Retailer 9£188 GBP
Retailer 10£210 GBP
Retailer 14£237 GBP
Retailer 15£308 GBP
Retailer 16£324 GBP
Retailer 3£326 GBP
Retailer 1£343 GBP
Retailer 11£359 GBP
Retailer 2£372 GBP
Retailer 17£460 GBP
Retailer 12£468 GBP
Retailer 6£541 GBP
Retailer 19£606 GBP
Retailer 8£608 GBP
Retailer 20£645 GBP
Retailer 18£882 GBP
Reve Diamonds£899 GBP

30 data points across 21 retailers

22 retailers£152 GBP to £899 GBP

A
Cheapest Retailer
-
£152 GBP
$204 USD
A
Retailer 2
-
£169 GBP
$227 USD
View
Final sale: no returns
A
Retailer 3
-
£176 GBP
$236 USD
View
A
Retailer 4
-
£188 GBP
$252 USD
View
A
Retailer 5
-
£188 GBP
$252 USD
View
A
Retailer 6
-
£210 GBP
HK$2,200 HKD
View
A
Retailer 7
-
£237 GBP
View
A
Retailer 8
-
£308 GBP
€393 EUR
View
A
Retailer 9
-
£324 GBP
ZAR 7,004 ZAR
View
A
Retailer 10
-
£326 GBP
$437 USD
View
A
Retailer 11
-
£343 GBP
View
B+
Retailer 12
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£359 GBP
$481 USD
View
B+
Retailer 13
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£372 GBP
$499 USD
View
B+
Retailer 14
-
£460 GBP
A$949 AUD
View
B+
Retailer 15
-
£468 GBP
$627 USD
View
Retailer 16
-
£541 GBP
$725 USD
View
Price last confirmed 23 days ago
B
Retailer 17
-
£606 GBP
$812 USD
View
B
Retailer 18
-
£608 GBP
A$1,254 AUD
View
B
Retailer 19
-
£612 GBP
SGD 1,108 SGD
View
B
Retailer 20
-
£645 GBP
$865 USD
View
B
Retailer 21
-
£882 GBP
View
Most Expensive
B
Reve Diamonds
33BF3BC80 · Oct 30
£899 GBP
$1,205 USD
View
21 more retailers have this diamond
Prices start from £152 GBPSave up to £747 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
£152 GBP