Round|Lab Grown|IGI

1.25ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG842646334

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842646334

Diamond specifications and retailer prices

From £157 GBP
As of November 4, 2026
Save £1,188 GBP (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,345 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG842646334 or 842646334. Listed at 12 retailers as of November 4, 2026, with prices from £157 to £1,345, a £1,188 spread on the same certified stone. Do Amore Diamonds lists it at £1,345. 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 angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842646334
Dimensions6.86 × 6.91 × 4.28 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
6.86 mm6.91 mm1.25 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842646334
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.1%

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 4
Current: £1,345 GBP|Low: £157 GBP|High: £1,345 GBP|Avg: £535 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 8£157 GBP
Retailer 3£236 GBP
Retailer 7£286 GBP
Retailer 5£329 GBP
Retailer 2£348 GBP
Retailer 6£435 GBP
Retailer 11£470 GBP
Retailer 12£562 GBP
Retailer 9£745 GBP
Retailer 10£770 GBP
Retailer 4£777 GBP
Do Amore Diamonds£1,345 GBP

5 data points across 12 retailers

12 retailers£157 GBP to £1,345 GBP

A
Cheapest Retailer
-
£157 GBP
Final sale: no returns
B+
Retailer 2
-
£236 GBP
View
A
Retailer 3
-
£286 GBP
View
A
Retailer 4
-
£329 GBP
View
A
Retailer 5
-
£348 GBP
View
B+
Retailer 6
-
£435 GBP
View
B+
Retailer 7
-
£470 GBP
View
B
Retailer 8
-
£562 GBP
View
B
Retailer 9
-
£745 GBP
View
B
Retailer 10
-
£770 GBP
View
B
Retailer 11
-
£777 GBP
View
Most Expensive
B
Do Amore Diamonds
27-41829E230 · Nov 4
£1,345 GBP
$1,810 USD
View
11 more retailers have this diamond
Prices start from £157 GBPSave up to £1,188 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
£157 GBP