Round|Lab Grown|IGI

1.25ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG853694015

Shape and cutting style on the report: Round brilliant

Certificate IGI LG853694015

Diamond specifications and retailer prices

From £142 GBP
As of November 5, 2026
Save £462 GBP (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £604 GBP at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

About this 1.25ct lab-grown round diamond

This 1.25ct 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 LG853694015 or 853694015. Listed at 12 retailers as of November 4, 2026, with prices from £142 to £604, a £462 spread on the same certified stone. Taylor and Hart lists it at £604. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG853694015
Dimensions7.00 × 7.02 × 4.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm7.02 mm1.25 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG853694015
Side View
Table 58.0%Crown 32.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.9%

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 5
Current: £314 GBP|Low: £142 GBP|High: £604 GBP|Avg: £359 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 6, 2026
Retailer 6£142 GBP
Retailer 7£164 GBP
Retailer 10£175 GBP
Retailer 9£199 GBP
Retailer 2£238 GBP
Retailer 4£301 GBP
Retailer 1£314 GBP
Retailer 3£421 GBP
Retailer 5£565 GBP
Retailer 11£583 GBP
Retailer 8£601 GBP
Taylor and Hart£604 GBP

3 data points across 12 retailers

12 retailers£142 GBP to £604 GBP

A
Cheapest Retailer
-
£142 GBP
A
Retailer 2
-
£164 GBP
View
A
Retailer 3
-
£175 GBP
View
A
Retailer 4
-
£199 GBP
View
B+
Retailer 5
-
£238 GBP
View
A
Retailer 6
-
£301 GBP
View
A
Retailer 7
-
£314 GBP
View
B+
Retailer 8
-
£421 GBP
View
B
Retailer 9
-
£565 GBP
View
B
Retailer 10
-
£583 GBP
View
B
Retailer 11
-
£601 GBP
View
Most Expensive
B
Taylor and Hart
17EYWRH · Nov 4
£604 GBP
$813 USD
View
11 more retailers have this diamond
Prices start from £142 GBPSave up to £462 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
1.25ct Round
£142 GBP