Princess|Lab Grown|IGI

1.28ct D VS2 Princess Lab Grown Diamond

ID • D/VS2 • IGI LG817639619

Shape and cutting style on the report: Princess cut

Certificate IGI LG817639619

Diamond specifications and retailer prices

From £136 GBP
$183 USD
As of October 30, 2026
Save £653 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £789 GBP at MOH London · As of November 1, 2026
View at MOH London

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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817639619 or 817639619. Listed at 12 retailers as of October 30, 2026, with prices from £136 to £789, a £653 spread on the same certified stone. MOH London lists it at £789. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817639619
Dimensions6.01 × 5.90 × 4.25 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.01 mm5.90 mm1.28 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817639619
Side View
Table 72.0%Crown 45.1°Girdle: MediumPavilion 39.5°Culet: NoneDepth 72.0%

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: £789 GBP|Low: £136 GBP|High: £816 GBP|Avg: £492 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7£136 GBP
Retailer 5£158 GBP
Retailer 8£203 GBP
Retailer 4£290 GBP
Retailer 10£411 GBP
Retailer 11£542 GBP
Retailer 2£544 GBP
Retailer 6£573 GBP
Retailer 9£586 GBP
Retailer 3£698 GBP
MOH London£789 GBP

28 data points across 11 retailers

12 retailers£136 GBP to £789 GBP

A
Cheapest Retailer
-
£136 GBP
$183 USD
A
Retailer 2
-
£158 GBP
$212 USD
View
Retailer 3
-
£203 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
£290 GBP
€370 EUR
View
A
Retailer 5
-
£411 GBP
$551 USD
View
B+
Retailer 6
-
£455 GBP
$610 USD
View
B+
Retailer 7
-
£542 GBP
$728 USD
View
B+
Retailer 8
-
£544 GBP
$730 USD
View
B
Retailer 9
-
£573 GBP
$769 USD
View
B+
Retailer 10
-
£586 GBP
$787 USD
View
Retailer 11
-
£698 GBP
SGD 1,265 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
MOH London
LG817639619 · Nov 1
£789 GBP
View
11 more retailers have this diamond
Prices start from £136 GBPSave up to £653 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
£136 GBP