Oval|Lab Grown|IGI

1.91ct F IF Oval Lab Grown Diamond

ID • F/IF • IGI LG809650852

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG809650852

Diamond specifications and retailer prices

From £269 GBP
$361 USD
As of November 1, 2026
Save £2,365 GBP (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,635 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.91ct lab-grown oval diamond

This 1.91ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG809650852 or 809650852. Listed at 24 retailers as of October 31, 2026, with prices from £269 to £2,635, a £2,365 spread on the same certified stone. Brilliant Earth lists it at £2,635. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809650852
Dimensions10.14 × 6.87 × 4.33 mm
L/W Ratio1.48
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
10.14 mm6.87 mm1.91 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809650852
Side View
Table 59.0%Crown 36.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.0%

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: £2,635 GBP|Low: £259 GBP|High: £2,635 GBP|Avg: £822 GBP
Brilliant Earth
Retailer 2
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Retailer 11
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Retailer 18
November 1, 2026
Retailer 18£269 GBP
Retailer 6£313 GBP
Retailer 3£334 GBP
Retailer 4£334 GBP
Retailer 2£344 GBP
Retailer 13£448 GBP
Retailer 10£470 GBP
Retailer 12£537 GBP
Retailer 17£575 GBP
Retailer 11£603 GBP
Retailer 15£776 GBP
Retailer 14£826 GBP
Retailer 5£1,075 GBP
Retailer 8£1,162 GBP
Retailer 9£1,163 GBP
Retailer 16£1,314 GBP
Retailer 7£2,288 GBP
Brilliant Earth£2,635 GBP

33 data points across 18 retailers

24 retailers£269 GBP to £2,635 GBP

A
Cheapest Retailer
-
£269 GBP
$361 USD
A
Retailer 2
-
£302 GBP
$405 USD
View
Final sale: no returns
A
Retailer 3
-
£313 GBP
$419 USD
View
Retailer 4
-
£334 GBP
$448 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£334 GBP
$448 USD
View
A
Retailer 6
-
£344 GBP
View
A
Retailer 7
-
£448 GBP
$600 USD
View
A
Retailer 8
-
£470 GBP
$630 USD
View
A
Retailer 9
-
£537 GBP
€685 EUR
View
A
Retailer 10
-
£575 GBP
ZAR 12,439 ZAR
View
A
Retailer 11
-
£592 GBP
$793 USD
View
A
Retailer 12
-
£603 GBP
View
A
Retailer 13
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£763 GBP
$1,023 USD
View
A
Retailer 14
-
£776 GBP
A$1,600 AUD
View
A
Retailer 15
-
£826 GBP
$1,107 USD
View
B+
Retailer 16
-
£1,075 GBP
$1,440 USD
View
B+
Retailer 17
-
£1,105 GBP
$1,481 USD
View
B+
Retailer 18
-
£1,162 GBP
$1,557 USD
View
B+
Retailer 19
-
£1,163 GBP
$1,558 USD
View
B+
Retailer 20
-
£1,264 GBP
$1,693 USD
View
B+
Retailer 21
-
£1,275 GBP
$1,709 USD
View
B+
Retailer 22
-
£1,314 GBP
View
B
Retailer 23
-
£2,288 GBP
$3,065 USD
View
Most Expensive
B
Brilliant Earth
20536716A · Oct 31
£2,635 GBP
$3,530 USD
View
23 more retailers have this diamond
Prices start from £269 GBPSave up to £2,365 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
1.91ct Oval
£269 GBP