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Round|Lab Grown|IGI

1.25ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG817672959

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817672959

Diamond specifications and retailer prices

From £143 GBP
As of November 3, 2026
Save £1,231 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,375 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 LG817672959 or 817672959. Listed at 16 retailers as of November 3, 2026, with prices from £143 to £1,375, a £1,231 spread on the same certified stone. Do Amore Diamonds lists it at £1,375. 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 angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817672959
Dimensions6.88 × 6.92 × 4.23 mm
L/W Ratio1.01
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
6.88 mm6.92 mm1.25 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817672959
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.3%

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 3
Current: £1,375 GBP|Low: £143 GBP|High: £1,375 GBP|Avg: £459 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 4, 2026
Retailer 3£143 GBP
Retailer 14£160 GBP
Retailer 16£166 GBP
Retailer 6£213 GBP
Retailer 7£244 GBP
Retailer 13£323 GBP
Retailer 2£337 GBP
Retailer 5£361 GBP
Retailer 9£435 GBP
Retailer 10£479 GBP
Retailer 11£513 GBP
Retailer 8£559 GBP
Retailer 4£602 GBP
Retailer 15£631 GBP
Retailer 12£785 GBP
Do Amore Diamonds£1,375 GBP

14 data points across 16 retailers

16 retailers£143 GBP to £1,375 GBP

A
Cheapest Retailer
-
£143 GBP
A
Retailer 2
-
£160 GBP
View
Final sale: no returns
A
Retailer 3
-
£166 GBP
View
A
Retailer 4
-
£213 GBP
View
B+
Retailer 5
-
£244 GBP
View
Retailer 6
-
£323 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£337 GBP
View
B+
Retailer 8
-
£361 GBP
View
B+
Retailer 9
-
£435 GBP
View
B+
Retailer 10
-
£479 GBP
View
B+
Retailer 11
-
£513 GBP
View
B
Retailer 12
-
£559 GBP
View
B
Retailer 13
-
£602 GBP
View
B
Retailer 14
-
£631 GBP
View
B
Retailer 15
-
£785 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B35A699F3 · Nov 4
£1,375 GBP
$1,850 USD
View
15 more retailers have this diamond
Prices start from £143 GBPSave up to £1,231 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
£143 GBP