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Round|Lab Grown|IGI

1.30ct F VVS1 Round Lab Grown Diamond

EX • F/VVS1 • IGI LG799670993

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799670993

Diamond specifications and retailer prices

From £149 GBP
As of November 1, 2026
Save £735 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £884 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG799670993 or 799670993. Listed at 18 retailers as of November 1, 2026, with prices from £149 to £884, a £735 spread on the same certified stone. Brilliant Earth lists it at £884. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799670993
Dimensions7.03 × 6.98 × 4.24 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
7.03 mm6.98 mm1.30 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799670993
Side View
Table 59.0%Crown 34.9°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £884 GBP|Low: £144 GBP|High: £884 GBP|Avg: £436 GBP
Brilliant Earth
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
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Retailer 17
November 4, 2026
Retailer 17£149 GBP
Retailer 3£167 GBP
Retailer 7£185 GBP
Retailer 12£311 GBP
Retailer 13£319 GBP
Retailer 15£319 GBP
Retailer 6£322 GBP
Retailer 14£338 GBP
Retailer 4£369 GBP
Retailer 5£395 GBP
Retailer 10£451 GBP
Retailer 11£499 GBP
Retailer 9£614 GBP
Retailer 2£628 GBP
Retailer 8£634 GBP
Retailer 16£869 GBP
Brilliant Earth£884 GBP

34 data points across 17 retailers

18 retailers£149 GBP to £884 GBP

A
Cheapest Retailer
-
£149 GBP
A
Retailer 2
-
£167 GBP
View
Final sale: no returns
Retailer 3
-
£185 GBP
View
Price last confirmed 12 days ago
Retailer 4
-
£186 GBP
View
Price last confirmed 52 days ago
A
Retailer 5
-
£311 GBP
View
A
Retailer 6
-
£319 GBP
View
A
Retailer 7
-
£319 GBP
View
A
Retailer 8
-
£322 GBP
View
A
Retailer 9
-
£338 GBP
View
B+
Retailer 10
-
£369 GBP
View
B+
Retailer 11
-
£395 GBP
View
B+
Retailer 12
-
£451 GBP
View
B+
Retailer 13
-
£499 GBP
View
B
Retailer 14
-
£627 GBP
View
B
Retailer 15
-
£628 GBP
View
B
Retailer 16
-
£634 GBP
View
Retailer 17
-
£869 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
20188960A · Nov 3
£884 GBP
$1,190 USD
View
17 more retailers have this diamond
Prices start from £149 GBPSave up to £735 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
1.30ct Round
£149 GBP