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Round|Lab Grown|IGI

1.20ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG782605583

Shape and cutting style on the report: Round brilliant

Certificate IGI LG782605583

Diamond specifications and retailer prices

From £156 GBP
As of November 1, 2026
Save £1,340 GBP (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,496 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG782605583 or 782605583. Listed at 19 retailers as of November 1, 2026, with prices from £156 to £1,496, a £1,340 spread on the same certified stone. Do Amore Diamonds lists it at £1,496. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782605583
Dimensions6.82 × 6.88 × 4.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.82 mm6.88 mm1.20 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782605583
Side View
Table 59.0%Crown 34.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.0%

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 1
Current: £1,496 GBP|Low: £122 GBP|High: £1,496 GBP|Avg: £449 GBP|+27.8%
Do Amore Diamonds
Retailer 2
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November 3, 2026
Retailer 8£152 GBP
Retailer 6£156 GBP
Retailer 4£181 GBP
Retailer 20£193 GBP
Retailer 11£226 GBP
Retailer 16£227 GBP
Retailer 3£228 GBP
Retailer 14£334 GBP
Retailer 10£359 GBP
Retailer 12£367 GBP
Retailer 13£368 GBP
Retailer 17£369 GBP
Retailer 2£399 GBP
Retailer 7£407 GBP
Retailer 23£429 GBP
Retailer 22£624 GBP
Retailer 9£647 GBP
Retailer 21£687 GBP
Retailer 18£763 GBP
Retailer 15£793 GBP
Retailer 5£814 GBP
Retailer 19£856 GBP
Do Amore Diamonds£1,496 GBP

18 data points across 23 retailers

19 retailers£156 GBP to £1,496 GBP

Retailer 1
-
£152 GBP
Price last confirmed 11 days ago
A
Retailer 2
-
£156 GBP
View
A
Retailer 3
-
£181 GBP
View
A
Retailer 4
-
£193 GBP
View
B+
Retailer 5
-
£226 GBP
View
A
Retailer 6
-
£228 GBP
View
B+
Retailer 7
-
£359 GBP
View
B+
Retailer 8
-
£368 GBP
View
B+
Retailer 9
-
£369 GBP
View
B
Retailer 10
-
£399 GBP
View
Retailer 11
-
£407 GBP
View
Price last confirmed 10 days ago
B+
Retailer 12
-
£429 GBP
View
B
Retailer 13
-
£624 GBP
View
B
Retailer 14
-
£647 GBP
View
B
Retailer 15
-
£687 GBP
View
B
Retailer 16
-
£763 GBP
View
B
Retailer 17
-
£814 GBP
View
B
Retailer 18
-
£856 GBP
View
Most Expensive
B
Do Amore Diamonds
27-DE63F360A · Nov 2
£1,496 GBP
$2,020 USD
View
18 more retailers have this diamond
Prices start from £156 GBPSave up to £1,340 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
1.20ct Round
£156 GBP