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Oval|Lab Grown|IGI

1.17ct F IF Oval Lab Grown Diamond

EX • F/IF • IGI LG840652913

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840652913

Diamond specifications and retailer prices

From £133 GBP
As of November 3, 2026
Save £1,145 GBP (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,278 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.17ct lab-grown oval diamond

This 1.17ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840652913 or 840652913. Listed at 19 retailers as of November 3, 2026, with prices from £133 to £1,278, a £1,145 spread on the same certified stone. Do Amore Diamonds lists it at £1,278. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840652913
Dimensions8.44 × 6.04 × 3.67 mm
L/W Ratio1.40
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
8.44 mm6.04 mm1.17 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840652913
Side View
Table 63.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

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 3
Current: £1,278 GBP|Low: £133 GBP|High: £1,278 GBP|Avg: £500 GBP
Do Amore Diamonds
Retailer 2
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November 5, 2026
Retailer 7£133 GBP
Retailer 4£149 GBP
Retailer 3£155 GBP
Retailer 18£165 GBP
Retailer 2£191 GBP
Retailer 5£292 GBP
Retailer 15£314 GBP
Retailer 12£330 GBP
Retailer 9£403 GBP
Retailer 8£432 GBP
Retailer 14£444 GBP
Retailer 13£462 GBP
Retailer 19£586 GBP
Retailer 11£714 GBP
Retailer 6£747 GBP
Retailer 16£786 GBP
Retailer 17£854 GBP
Retailer 10£1,051 GBP
Do Amore Diamonds£1,278 GBP

16 data points across 19 retailers

19 retailers£133 GBP to £1,278 GBP

A
Cheapest Retailer
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£133 GBP
A
Retailer 2
-
£149 GBP
View
Final sale: no returns
A
Retailer 3
-
£155 GBP
View
A
Retailer 4
-
£165 GBP
View
A
Retailer 5
-
£191 GBP
View
A
Retailer 6
-
£292 GBP
View
A
Retailer 7
-
£314 GBP
View
A
Retailer 8
-
£330 GBP
View
A
Retailer 9
-
£403 GBP
View
A
Retailer 10
-
£432 GBP
View
A
Retailer 11
-
£444 GBP
View
A
Retailer 12
-
£462 GBP
View
B+
Retailer 13
-
£586 GBP
View
B+
Retailer 14
-
£714 GBP
View
B+
Retailer 15
-
£747 GBP
View
Retailer 16
-
£786 GBP
View
Price last confirmed 7 days ago
Retailer 17
-
£854 GBP
View
Price last confirmed 10 days ago
Retailer 18
-
£1,051 GBP
View
Price last confirmed 15 days ago
Most Expensive
B
Do Amore Diamonds
27-184C08EC2 · Nov 4
£1,278 GBP
$1,720 USD
View
18 more retailers have this diamond
Prices start from £133 GBPSave up to £1,145 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
1.17ct Oval
£133 GBP