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Round|Lab Grown|IGI

1.30ct F VVS2 Round Lab Grown Diamond

ID • F/VVS2 • IGI LG818644361

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644361

Diamond specifications and retailer prices

From £155 GBP
As of November 3, 2026
Save £756 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £911 GBP at Brilliant Earth · As of October 31, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818644361 or 818644361. Listed at 20 retailers as of October 31, 2026, with prices from £155 to £911, a £756 spread on the same certified stone. Brilliant Earth lists it at £911. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644361
Dimensions7.04 × 7.02 × 4.28 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
Top View
7.04 mm7.02 mm1.30 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644361
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.8%

Caratlytics Score

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

Price History

Last verified: Nov 3
Current: £911 GBP|Low: £148 GBP|High: £933 GBP|Avg: £403 GBP|-2.4%
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
November 4, 2026
Retailer 13£155 GBP
Retailer 4£173 GBP
Retailer 5£179 GBP
Retailer 3£192 GBP
Retailer 14£259 GBP
Retailer 11£330 GBP
Retailer 7£349 GBP
Retailer 8£350 GBP
Retailer 2£463 GBP
Retailer 9£468 GBP
Retailer 10£501 GBP
Retailer 6£616 GBP
Retailer 12£767 GBP
Brilliant Earth£911 GBP

43 data points across 14 retailers

20 retailers£155 GBP to £911 GBP

A
Cheapest Retailer
-
£155 GBP
A
Retailer 2
-
£173 GBP
View
Final sale: no returns
A
Retailer 3
-
£179 GBP
View
Retailer 4
-
£192 GBP
View
Price last confirmed 10 days ago
A
Retailer 5
-
£192 GBP
View
A
Retailer 6
-
£218 GBP
View
B+
Retailer 7
-
£259 GBP
View
A
Retailer 8
-
£330 GBP
View
A
Retailer 9
-
£348 GBP
View
A
Retailer 10
-
£349 GBP
View
A
Retailer 11
-
£350 GBP
View
B+
Retailer 12
-
£463 GBP
View
B+
Retailer 13
-
£468 GBP
View
B+
Retailer 14
-
£501 GBP
View
B
Retailer 15
-
£616 GBP
View
B
Retailer 16
-
£624 GBP
View
B
Retailer 17
-
£654 GBP
View
B
Retailer 18
-
£655 GBP
View
B
Retailer 19
-
£767 GBP
View
Most Expensive
B
Brilliant Earth
21046119A · Oct 31
£911 GBP
$1,230 USD
View
19 more retailers have this diamond
Prices start from £155 GBPSave up to £756 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
£155 GBP