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Oval|Lab Grown|IGI

1.71ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG781654089

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG781654089

Diamond specifications and retailer prices

From £177 GBP
$237 USD
As of October 29, 2026
Save £716 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £893 GBP at Brilliance · As of October 30, 2026
View at Brilliance

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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781654089 or 781654089. Listed at 14 retailers as of October 29, 2026, with prices from £177 to £893, a £716 spread on the same certified stone. Brilliance lists it at £893. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781654089
Dimensions9.35 × 6.63 × 4.22 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.35 mm6.63 mm1.71 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781654089
Side View
Table 61.0%Crown 31.7°Girdle: STK-THKPavilion 42.1°Culet: NoneDepth 63.7%

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: Oct 29
Current: £893 GBP|Low: £177 GBP|High: £893 GBP|Avg: £496 GBP
Brilliance
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
October 31, 2026
Retailer 11£177 GBP
Retailer 14£205 GBP
Retailer 10£219 GBP
Retailer 12£219 GBP
Retailer 8£270 GBP
Retailer 3£371 GBP
Retailer 2£415 GBP
Retailer 5£452 GBP
Retailer 4£469 GBP
Retailer 13£705 GBP
Retailer 9£708 GBP
Retailer 6£744 GBP
Retailer 7£884 GBP
Brilliance£893 GBP

39 data points across 14 retailers

14 retailers£177 GBP to £893 GBP

A
Cheapest Retailer
-
£177 GBP
$237 USD
A
Retailer 2
-
£205 GBP
$275 USD
View
A
Retailer 3
-
£219 GBP
$294 USD
View
A
Retailer 4
-
£219 GBP
$294 USD
View
Retailer 5
-
£270 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
£371 GBP
$497 USD
View
A
Retailer 7
-
£415 GBP
View
A
Retailer 8
-
£452 GBP
$606 USD
View
A
Retailer 9
-
£469 GBP
$628 USD
View
B+
Retailer 10
-
£705 GBP
$945 USD
View
B+
Retailer 11
-
£708 GBP
$948 USD
View
Retailer 12
-
£744 GBP
$997 USD
View
Price last confirmed 13 days ago
B+
Retailer 13
-
£884 GBP
View
Most Expensive
B
Brilliance
D40019316 · Oct 30
£893 GBP
$1,196 USD
View
13 more retailers have this diamond
Prices start from £177 GBPSave up to £716 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
£177 GBP