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Round|Lab Grown|GCAL

1.22ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • GCAL 291690179

Shape and cutting style on the report: Round brilliant

Certificate GCAL 291690179

Diamond specifications and retailer prices

From £301 GBP
$404 USD
As of November 1, 2026
Save £579 GBP (66%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £880 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GCAL 291690179. Listed at 4 retailers as of November 1, 2026, with prices from £301 to £880, a £579 spread on the same certified stone. MOH London lists it at £880. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 291690179
Dimensions6.86 × 6.83 × 4.27 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.86 mm6.83 mm1.22 ctI / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 291690179
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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: Nov 1
Current: £880 GBP|Low: £268 GBP|High: £892 GBP|Avg: £564 GBP|+6.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 2£301 GBP
Retailer 3£380 GBP
Retailer 4£734 GBP
MOH London£880 GBP

11 data points across 4 retailers

4 retailers£301 GBP to £880 GBP

A
Cheapest Retailer
-
£301 GBP
$404 USD
B+
Retailer 2
-
£380 GBP
$510 USD
View
B
Retailer 3
-
£734 GBP
$985 USD
View
Most Expensive
B
MOH London
291690179 · Nov 1
£880 GBP
View
3 more retailers have this diamond
Prices start from £301 GBPSave up to £579 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
1.22ct Round
£301 GBP