Cushion|Lab Grown|IGI

50.29ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG786629628

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG786629628

Diamond specifications and retailer prices

From £38,055 GBP
As of October 27, 2026
Save £61,267 GBP (62%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £99,322 GBP at Adiamor · As of October 28, 2026
View at Adiamor

About this 50.29ct lab-grown cushion diamond

This 50.29ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786629628 or 786629628. Listed at 6 retailers as of October 27, 2026, with prices from £38,055 to £99,322, a £61,267 spread on the same certified stone. Adiamor lists it at £99,322. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

50.29
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786629628
Dimensions23.42 × 18.64 × 12.63 mm
L/W Ratio1.26
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
23.42 mm18.64 mm50.29 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786629628
Side View
Table 60.0%Crown 36.3°Girdle: STK-VTKPavilion 33°Culet: NoneDepth 67.8%

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 27
Current: £99,322 GBP|Low: £37,925 GBP|High: £99,687 GBP|Avg: £66,563 GBP|-0.4%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4£38,055 GBP
Retailer 7£38,659 GBP
Retailer 5£52,689 GBP
Retailer 3£53,821 GBP
Retailer 2£59,408 GBP
Retailer 6£97,787 GBP
Adiamor£99,322 GBP

23 data points across 7 retailers

6 retailers£38,055 GBP to £99,322 GBP

B+
Cheapest Retailer
-
£38,055 GBP
B+
Retailer 2
-
£38,659 GBP
$51,799 USD
View
B
Retailer 3
-
£52,689 GBP
$70,597 USD
View
B
Retailer 4
-
£59,408 GBP
$79,600 USD
View
B
Retailer 5
-
£97,787 GBP
$131,024 USD
View
Most Expensive
B
Adiamor
D-78376857 · Oct 28
£99,322 GBP
$133,081 USD
View
5 more retailers have this diamond
Prices start from £38,055 GBPSave up to £61,267 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+
50.29ct Cushion
£38,055 GBP