Round|Lab Grown|IGI

1.30ct I VVS1 Round Lab Grown Diamond

ID • I/VVS1 • IGI LG833650485

Shape and cutting style on the report: Round brilliant

Certificate IGI LG833650485

Diamond specifications and retailer prices

From £257 GBP
$345 USD
As of October 30, 2026
Save £615 GBP (71%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £873 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG833650485 or 833650485. Listed at 4 retailers as of October 29, 2026, with prices from £257 to £873, a £615 spread on the same certified stone. MOH London lists it at £873. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
I
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833650485
Dimensions7.05 × 7.03 × 4.34 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Light Blue
Top View
7.05 mm7.03 mm1.30 ctI / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833650485
Side View
Table 56.0%Crown 34.3°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 61.6%

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 30
Current: £873 GBP|Low: £257 GBP|High: £879 GBP|Avg: £610 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 2£257 GBP
Retailer 4£637 GBP
Retailer 3£700 GBP
MOH London£873 GBP

8 data points across 4 retailers

4 retailers£257 GBP to £873 GBP

B+
Cheapest Retailer
-
£257 GBP
$345 USD
B
Retailer 2
-
£637 GBP
$854 USD
View
B
Retailer 3
-
£700 GBP
$938 USD
View
Most Expensive
B
MOH London
LG833650485 · Oct 29
£873 GBP
View
3 more retailers have this diamond
Prices start from £257 GBPSave up to £615 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+
1.30ct Round
£257 GBP