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Round|Lab Grown|IGI

3.20ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG649405968

Shape and cutting style on the report: Round brilliant

Certificate IGI LG649405968

Diamond specifications and retailer prices

From £600 GBP
$804 USD
As of October 30, 2026
Save £859 GBP (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,549 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 3.2ct lab-grown round diamond

This 3.2ct 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 LG649405968 or 649405968. Listed at 7 retailers as of October 29, 2026, with a 143% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.20
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649405968
Dimensions9.58 × 9.53 × 5.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.58 mm9.53 mm3.20 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649405968
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.7%

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: £1,549 GBP|Low: £489 GBP|High: £1,559 GBP|Avg: £964 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 19, 2026
Retailer 7£489 GBP
Retailer 3£600 GBP
Retailer 4£610 GBP
Retailer 5£666 GBP
Retailer 2£1,325 GBP
Retailer 6£1,459 GBP
MOH London£1,549 GBP

12 data points across 7 retailers

7 retailers£600 GBP to £1,459 GBP

B+
Cheapest Retailer
-
£600 GBP
$804 USD
A
Retailer 2
-
£610 GBP
$818 USD
View
A
Retailer 3
-
£666 GBP
$893 USD
View
B
Retailer 4
-
£1,325 GBP
$1,775 USD
View
Retailer 5
-
£1,351 GBP
$1,810 USD
View
Price last confirmed 27 days ago
B
Retailer 6
-
£1,459 GBP
$1,955 USD
View
Most Expensive
MOH London
LG649405968 · Oct 21
£1,549 GBP
View
Price last confirmed 10 days ago
6 more retailers have this diamond
Prices start from £600 GBPSave up to £859 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
3.20ct Round
£600 GBP