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Oval|Lab Grown|IGI

1.71ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG799638867

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG799638867

Diamond specifications and retailer prices

From £274 GBP
$365 USD
As of October 26, 2026
Save £2,977 GBP (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,252 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.71ct lab-grown oval diamond

This 1.71ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799638867 or 799638867. Listed at 21 retailers as of October 26, 2026, with prices from £274 to £3,252, a £2,977 spread on the same certified stone. Rare Carat lists it at £3,252. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799638867
Dimensions9.86 × 6.66 × 4.13 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
9.86 mm6.66 mm1.71 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799638867
Side View
Table 60.0%Crown 35.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
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: Oct 26
Current: £3,252 GBP|Low: £274 GBP|High: £3,972 GBP|Avg: £1,029 GBP|-2.0%
Rare Carat
Retailer 2
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Retailer 21
October 29, 2026
Retailer 7£274 GBP
Retailer 5£307 GBP
Retailer 21£318 GBP
Retailer 13£340 GBP
Retailer 10£391 GBP
Retailer 16£479 GBP
Retailer 19£552 GBP
Retailer 15£585 GBP
Retailer 9£593 GBP
Retailer 2£612 GBP
Retailer 11£621 GBP
Retailer 6£777 GBP
Retailer 20£970 GBP
Retailer 17£1,093 GBP
Retailer 12£1,096 GBP
Retailer 8£1,124 GBP
Retailer 4£1,285 GBP
Retailer 18£1,292 GBP
Retailer 14£1,453 GBP
Retailer 3£2,703 GBP
Rare Carat£3,252 GBP

31 data points across 21 retailers

21 retailers£274 GBP to £3,252 GBP

A
Cheapest Retailer
-
£274 GBP
$365 USD
A
Retailer 2
-
£307 GBP
$409 USD
View
Final sale: no returns
A
Retailer 3
-
£318 GBP
$424 USD
View
A
Retailer 4
-
£340 GBP
$453 USD
View
A
Retailer 5
-
£391 GBP
$521 USD
View
A
Retailer 6
-
£479 GBP
$638 USD
View
A
Retailer 7
-
£552 GBP
$735 USD
View
A
Retailer 8
-
£585 GBP
ZAR 12,576 ZAR
View
A
Retailer 9
-
£593 GBP
$790 USD
View
A
Retailer 10
-
£612 GBP
View
A
Retailer 11
-
£777 GBP
$1,035 USD
View
B+
Retailer 12
-
£970 GBP
$1,292 USD
View
B+
Retailer 13
-
£1,093 GBP
$1,456 USD
View
B+
Retailer 14
-
£1,096 GBP
$1,460 USD
View
B+
Retailer 15
-
£1,124 GBP
$1,496 USD
View
B+
Retailer 16
-
£1,184 GBP
$1,577 USD
View
B+
Retailer 17
-
£1,285 GBP
$1,711 USD
View
B+
Retailer 18
-
£1,292 GBP
$1,721 USD
View
B+
Retailer 19
-
£1,453 GBP
View
Price last confirmed 18 days ago
B
Retailer 20
-
£2,703 GBP
$3,600 USD
View
Most Expensive
B
Rare Carat
C262-20A · Oct 28
£3,252 GBP
$4,330 USD
View
20 more retailers have this diamond
Prices start from £274 GBPSave up to £2,977 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
1.71ct Oval
£274 GBP