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Oval|Lab Grown|IGI

1.71ct J VS1 Oval Lab Grown Diamond

ID • J/VS1 • IGI LG445039685

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445039685

Diamond specifications and retailer prices

From £642 GBP
$860 USD
As of October 29, 2026
Save £2,956 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,598 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG445039685 or 445039685. Listed at 12 retailers as of October 29, 2026, with prices from £642 to £3,598, a £2,956 spread on the same certified stone. MOH London lists it at £3,598. 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 angle36.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445039685
Dimensions9.14 × 6.78 × 4.26 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.14 mm6.78 mm1.71 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445039685
Side View
Table 61.0%Crown 36.8°Girdle: STK-VTKPavilion 41.2°Culet: NoneDepth 62.8%

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: £3,598 GBP|Low: £642 GBP|High: £3,626 GBP|Avg: £1,879 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 6£642 GBP
Retailer 7£1,080 GBP
Retailer 11£1,175 GBP
Retailer 12£1,209 GBP
Retailer 8£1,253 GBP
Retailer 13£1,381 GBP
Retailer 4£1,709 GBP
Retailer 9£1,976 GBP
Retailer 3£2,274 GBP
Retailer 2£2,304 GBP
Retailer 10£2,349 GBP
Retailer 5£3,588 GBP
MOH London£3,598 GBP

19 data points across 13 retailers

12 retailers£642 GBP to £3,598 GBP

A
Cheapest Retailer
-
£642 GBP
$860 USD
A
Retailer 2
-
£1,080 GBP
$1,447 USD
View
A
Retailer 3
-
£1,175 GBP
$1,575 USD
View
A
Retailer 4
-
£1,209 GBP
$1,620 USD
View
Final sale: no returns
Retailer 5
-
£1,253 GBP
$1,679 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
£1,253 GBP
$1,679 USD
View
A
Retailer 7
-
£1,381 GBP
$1,850 USD
View
B+
Retailer 8
-
£1,976 GBP
$2,648 USD
View
B+
Retailer 9
-
£2,274 GBP
$3,047 USD
View
B+
Retailer 10
-
£2,304 GBP
ZAR 49,865 ZAR
View
B
Retailer 11
-
£2,349 GBP
$3,147 USD
View
Most Expensive
B
MOH London
LG445039685 · Oct 29
£3,598 GBP
View
11 more retailers have this diamond
Prices start from £642 GBPSave up to £2,956 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
£642 GBP