Round|Lab Grown|IGI

1.03ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG799634604

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799634604

Diamond specifications and retailer prices

From £136 GBP
As of November 3, 2026
Save £445 GBP (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £789 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG799634604 or 799634604. Listed at 21 retailers as of November 3, 2026, with a 327% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799634604
Dimensions6.54 × 6.50 × 3.97 mm
L/W Ratio1.01
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
Top View
6.54 mm6.50 mm1.03 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799634604
Side View
Table 57.0%Crown 32.8°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.8%

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: Nov 3
Current: £789 GBP|Low: £130 GBP|High: £798 GBP|Avg: £358 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 4, 2026
Retailer 13£136 GBP
Retailer 5£153 GBP
Retailer 4£169 GBP
Retailer 3£228 GBP
Retailer 9£286 GBP
Retailer 7£290 GBP
Retailer 11£290 GBP
Retailer 2£301 GBP
Retailer 10£411 GBP
Retailer 8£433 GBP
Retailer 14£448 GBP
Retailer 6£542 GBP
Retailer 12£615 GBP
MOH London£789 GBP

45 data points across 14 retailers

21 retailers£136 GBP to £581 GBP

A
Cheapest Retailer
-
£136 GBP
A
Retailer 2
-
£153 GBP
View
Final sale: no returns
A
Retailer 3
-
£158 GBP
View
Retailer 4
-
£169 GBP
View
Price last confirmed 10 days ago
A
Retailer 5
-
£169 GBP
View
A
Retailer 6
-
£190 GBP
View
B+
Retailer 7
-
£228 GBP
View
B+
Retailer 8
-
£266 GBP
View
B+
Retailer 9
-
£286 GBP
View
B+
Retailer 10
-
£290 GBP
View
B+
Retailer 11
-
£290 GBP
View
B+
Retailer 12
-
£301 GBP
View
B+
Retailer 13
-
£411 GBP
View
B+
Retailer 14
-
£433 GBP
View
Retailer 15
-
£448 GBP
View
Price last confirmed 28 days ago
B
Retailer 16
-
£459 GBP
View
B
Retailer 17
-
£542 GBP
View
B
Retailer 18
-
£563 GBP
View
B
Retailer 19
-
£581 GBP
View
Retailer 20
-
£615 GBP
View
Price last confirmed 19 days ago
Most Expensive
MOH London
LG799634604 · Oct 26
£789 GBP
View
Price last confirmed 9 days ago
20 more retailers have this diamond
Prices start from £136 GBPSave up to £445 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
1.03ct Round
£136 GBP