Round|Lab Grown|IGI

1.40ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG788652417

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788652417

Diamond specifications and retailer prices

From £163 GBP
$219 USD
As of November 1, 2026
Save £531 GBP (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £694 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.4ct lab-grown round diamond

This 1.4ct 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 LG788652417 or 788652417. Listed at 6 retailers as of November 1, 2026, with prices from £163 to £694, a £531 spread on the same certified stone. Rare Carat lists it at £694. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788652417
Dimensions7.12 × 7.16 × 4.46 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
7.12 mm7.16 mm1.40 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788652417
Side View
Table 56.0%Crown 35.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

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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 1
Current: £694 GBP|Low: £163 GBP|High: £1,470 GBP|Avg: £571 GBP|-1.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 28, 2026
Retailer 2£163 GBP
Retailer 5£249 GBP
Retailer 3£339 GBP
Retailer 11£353 GBP
Retailer 6£366 GBP
Retailer 9£367 GBP
Retailer 8£556 GBP
Retailer 4£594 GBP
Rare Carat£694 GBP
Retailer 10£801 GBP
Retailer 7£1,470 GBP

14 data points across 11 retailers

6 retailers£163 GBP to £694 GBP

A
Cheapest Retailer
-
£163 GBP
$219 USD
Final sale: no returns
B+
Retailer 2
-
£249 GBP
$334 USD
View
Retailer 3
-
£495 GBP
A$1,021 AUD
View
Price last confirmed 121 days ago
Retailer 4
-
£556 GBP
$745 USD
View
Price last confirmed 46 days ago
B+
Retailer 5
-
£594 GBP
$796 USD
View
Most Expensive
B
Rare Carat
788652417 · Nov 1
£694 GBP
$930 USD
View
5 more retailers have this diamond
Prices start from £163 GBPSave up to £531 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
1.40ct Round
£163 GBP