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Round|Lab Grown|IGI

1.19ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG704591962

Shape and cutting style on the report: Round brilliant

Certificate IGI LG704591962

Diamond specifications and retailer prices

From £136 GBP
As of November 5, 2026
Save £713 GBP (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £849 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.19ct lab-grown round diamond

This 1.19ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG704591962 or 704591962. Listed at 23 retailers as of November 5, 2026, with prices from £136 to £849, a £713 spread on the same certified stone. Reve Diamonds lists it at £849. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.19
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704591962
Dimensions6.78 × 6.81 × 4.23 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.78 mm6.81 mm1.19 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704591962
Side View
Table 58.0%Crown 33.1°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £300 GBP|Low: £135 GBP|High: £849 GBP|Avg: £359 GBP|+2.3%
Retailer 1
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
Retailer 17
Reve Diamonds
November 6, 2026
Retailer 8£136 GBP
Retailer 6£152 GBP
Retailer 16£158 GBP
Retailer 4£169 GBP
Retailer 5£169 GBP
Retailer 17£275 GBP
Retailer 13£284 GBP
Retailer 2£298 GBP
Retailer 1£300 GBP
Retailer 11£301 GBP
Retailer 10£351 GBP
Retailer 3£353 GBP
Retailer 15£387 GBP
Retailer 9£542 GBP
Retailer 14£573 GBP
Retailer 7£583 GBP
Retailer 12£787 GBP
Reve Diamonds£849 GBP

46 data points across 18 retailers

23 retailers£136 GBP to £849 GBP

Retailer 1
-
£135 GBP
Price last confirmed 45 days ago
A
Retailer 2
-
£136 GBP
View
A
Retailer 3
-
£152 GBP
View
Final sale: no returns
A
Retailer 4
-
£158 GBP
View
Retailer 5
-
£165 GBP
View
Price last confirmed 45 days ago
A
Retailer 6
-
£169 GBP
View
Retailer 7
-
£169 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
£275 GBP
View
A
Retailer 9
-
£284 GBP
View
B+
Retailer 10
-
£298 GBP
View
B+
Retailer 11
-
£300 GBP
View
B+
Retailer 12
-
£301 GBP
View
B+
Retailer 13
-
£351 GBP
View
B+
Retailer 14
-
£351 GBP
View
B+
Retailer 15
-
£353 GBP
View
B+
Retailer 16
-
£387 GBP
View
B
Retailer 17
-
£454 GBP
View
Retailer 18
-
£538 GBP
View
Price last confirmed 46 days ago
B
Retailer 19
-
£542 GBP
View
B
Retailer 20
-
£573 GBP
View
B
Retailer 21
-
£583 GBP
View
B
Retailer 22
-
£787 GBP
View
Most Expensive
B
Reve Diamonds
B78F46836 · Nov 6
£849 GBP
$1,137 USD
View
22 more retailers have this diamond
Prices start from £136 GBPSave up to £713 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
1.19ct Round
£136 GBP