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Oval|Lab Grown|IGI

1.71ct J VS1 Oval Lab Grown Diamond

ID • J/VS1 • IGI LG442067949

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG442067949

Diamond specifications and retailer prices

From £634 GBP
$850 USD
As of October 29, 2026
Save £2,405 GBP (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,657 GBP at MOH London · As of October 19, 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG442067949 or 442067949. Listed at 11 retailers as of October 28, 2026, with a 379% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442067949
Dimensions9.11 × 6.81 × 4.27 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.11 mm6.81 mm1.71 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442067949
Side View
Table 54.5%Crown 34.8°Girdle: STK-VTKPavilion 40.4°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £4,657 GBP|Low: £634 GBP|High: £4,694 GBP|Avg: £2,479 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3£634 GBP
Retailer 6£1,746 GBP
Retailer 7£2,147 GBP
Retailer 5£2,542 GBP
Retailer 4£2,728 GBP
Retailer 2£2,981 GBP
MOH London£4,657 GBP

16 data points across 7 retailers

11 retailers£634 GBP to £3,040 GBP

A
Cheapest Retailer
-
£634 GBP
$850 USD
A
Retailer 2
-
£1,398 GBP
$1,873 USD
View
B+
Retailer 3
-
£1,521 GBP
$2,038 USD
View
Retailer 4
-
£1,622 GBP
$2,173 USD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
£1,622 GBP
$2,173 USD
View
B+
Retailer 6
-
£1,746 GBP
$2,340 USD
View
B
Retailer 7
-
£2,542 GBP
$3,406 USD
View
B
Retailer 8
-
£2,728 GBP
$3,655 USD
View
B
Retailer 9
-
£2,981 GBP
ZAR 64,536 ZAR
View
B
Retailer 10
-
£3,040 GBP
$4,073 USD
View
Most Expensive
MOH London
LG442067949 · Oct 19
£4,657 GBP
View
Price last confirmed 11 days ago
10 more retailers have this diamond
Prices start from £634 GBPSave up to £2,405 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
£634 GBP