Round|Lab Grown|IGI

3.23ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG606336676

Shape and cutting style on the report: Round brilliant

Certificate IGI LG606336676

Diamond specifications and retailer prices

From £600 GBP
$804 USD
As of October 30, 2026
Save £946 GBP (61%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,546 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.23ct lab-grown round diamond

This 3.23ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG606336676 or 606336676. Listed at 6 retailers as of October 29, 2026, with prices from £600 to £1,546, a £946 spread on the same certified stone. MOH London lists it at £1,546. 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

3.23
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG606336676
Dimensions9.45 × 9.37 × 5.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeAbraded
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Indications of post-growth treatment.
Top View
9.45 mm9.37 mm3.23 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG606336676
Side View
Table 58.0%Crown 35.9°GirdlePavilion 40.8°Culet: ABRDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,546 GBP|Low: £493 GBP|High: £1,555 GBP|Avg: £891 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 7£493 GBP
Retailer 3£600 GBP
Retailer 4£610 GBP
Retailer 5£678 GBP
Retailer 2£908 GBP
Retailer 6£1,456 GBP
MOH London£1,546 GBP

17 data points across 7 retailers

6 retailers£600 GBP to £1,546 GBP

B+
Cheapest Retailer
-
£600 GBP
$804 USD
A
Retailer 2
-
£610 GBP
$818 USD
View
A
Retailer 3
-
£678 GBP
$908 USD
View
B+
Retailer 4
-
£908 GBP
ZAR 19,663 ZAR
View
B
Retailer 5
-
£1,456 GBP
$1,951 USD
View
Most Expensive
B
MOH London
LG606336676 · Oct 29
£1,546 GBP
View
5 more retailers have this diamond
Prices start from £600 GBPSave up to £946 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
3.23ct Round
£600 GBP