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Round|Lab Grown|IGI

1.03ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG839644321

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839644321

Diamond specifications and retailer prices

From £118 GBP
As of November 3, 2026
Save £890 GBP (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,007 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG839644321 or 839644321. Listed at 21 retailers as of November 3, 2026, with prices from £118 to £1,007, a £890 spread on the same certified stone. Do Amore Diamonds lists it at £1,007. 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 angle34.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839644321
Dimensions6.47 × 6.42 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.47 mm6.42 mm1.03 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839644321
Side View
Table 57.0%Crown 34.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.3%

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: £1,007 GBP|Low: £114 GBP|High: £1,030 GBP|Avg: £406 GBP|-2.2%
Do Amore Diamonds
Retailer 2
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Retailer 22
November 4, 2026
Retailer 19£118 GBP
Retailer 10£143 GBP
Retailer 6£153 GBP
Retailer 9£153 GBP
Retailer 13£197 GBP
Retailer 8£203 GBP
Retailer 17£276 GBP
Retailer 16£284 GBP
Retailer 3£290 GBP
Retailer 18£317 GBP
Retailer 5£319 GBP
Retailer 7£387 GBP
Retailer 22£410 GBP
Retailer 12£430 GBP
Retailer 11£459 GBP
Retailer 21£517 GBP
Retailer 15£532 GBP
Retailer 14£563 GBP
Retailer 2£577 GBP
Retailer 20£645 GBP
Retailer 4£786 GBP
Do Amore Diamonds£1,007 GBP

22 data points across 22 retailers

21 retailers£118 GBP to £1,007 GBP

A
Cheapest Retailer
-
£118 GBP
A
Retailer 2
-
£143 GBP
View
A
Retailer 3
-
£153 GBP
View
Retailer 4
-
£153 GBP
View
Price last confirmed 10 days ago
B+
Retailer 5
-
£197 GBP
View
A
Retailer 6
-
£203 GBP
View
A
Retailer 7
-
£276 GBP
View
B+
Retailer 8
-
£284 GBP
View
B+
Retailer 9
-
£287 GBP
View
B+
Retailer 10
-
£290 GBP
View
B+
Retailer 11
-
£317 GBP
View
B+
Retailer 12
-
£387 GBP
View
B+
Retailer 13
-
£410 GBP
View
B+
Retailer 14
-
£430 GBP
View
B
Retailer 15
-
£459 GBP
View
B+
Retailer 16
-
£517 GBP
View
B
Retailer 17
-
£563 GBP
View
B
Retailer 18
-
£577 GBP
View
B
Retailer 19
-
£645 GBP
View
B
Retailer 20
-
£786 GBP
View
Most Expensive
B
Do Amore Diamonds
25-9131125-021 · Nov 4
£1,007 GBP
$1,360 USD
View
20 more retailers have this diamond
Prices start from £118 GBPSave up to £890 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
£118 GBP