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Oval|Lab Grown|IGI

1.71ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG634499163

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG634499163

Diamond specifications and retailer prices

From £315 GBP
HK$3,300 HKD
As of October 31, 2026
Save £560 GBP (64%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £875 GBP at MOH London · As of October 29, 2026
View at MOH London

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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634499163 or 634499163. Listed at 4 retailers as of October 29, 2026, with prices from £315 to £875, a £560 spread on the same certified stone. MOH London lists it at £875. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634499163
Dimensions9.28 × 6.83 × 4.26 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.28 mm6.83 mm1.71 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634499163
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £875 GBP|Low: £315 GBP|High: £1,199 GBP|Avg: £582 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4£315 GBP
Retailer 2£348 GBP
Retailer 3£368 GBP
Retailer 9£369 GBP
Retailer 6£552 GBP
Retailer 7£557 GBP
Retailer 8£678 GBP
MOH London£875 GBP
Retailer 5£1,199 GBP

13 data points across 9 retailers

4 retailers£315 GBP to £875 GBP

A
Cheapest Retailer
-
£315 GBP
HK$3,300 HKD
A
Retailer 2
-
£348 GBP
€444 EUR
View
B+
Retailer 3
-
£368 GBP
$493 USD
View
Most Expensive
B
MOH London
LG634499163 · Oct 29
£875 GBP
View
3 more retailers have this diamond
Prices start from £315 GBPSave up to £560 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
£315 GBP