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Oval|Lab Grown|IGI

1.71ct J VS2 Oval Lab Grown Diamond

ID • J/VS2 • IGI LG451056236

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451056236

Diamond specifications and retailer prices

From £634 GBP
$850 USD
As of October 29, 2026
Save £3,438 GBP (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,073 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG451056236 or 451056236. Listed at 11 retailers as of October 29, 2026, with prices from £634 to £4,073, a £3,438 spread on the same certified stone. MOH London lists it at £4,073. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056236
Dimensions9.46 × 6.81 × 4.18 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.46 mm6.81 mm1.71 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451056236
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.4%

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 29
Current: £4,073 GBP|Low: £634 GBP|High: £4,105 GBP|Avg: £2,106 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
Retailer 14
October 29, 2026
Retailer 8£634 GBP
Retailer 7£1,222 GBP
Retailer 12£1,331 GBP
Retailer 13£1,369 GBP
Retailer 9£1,419 GBP
Retailer 14£1,419 GBP
Retailer 3£1,545 GBP
Retailer 4£1,905 GBP
Retailer 10£2,230 GBP
Retailer 2£2,446 GBP
Retailer 11£2,658 GBP
Retailer 6£3,175 GBP
Retailer 5£4,061 GBP
MOH London£4,073 GBP

18 data points across 14 retailers

11 retailers£634 GBP to £4,073 GBP

A
Cheapest Retailer
-
£634 GBP
$850 USD
A
Retailer 2
-
£1,222 GBP
$1,638 USD
View
A
Retailer 3
-
£1,331 GBP
$1,783 USD
View
A
Retailer 4
-
£1,369 GBP
$1,834 USD
View
Final sale: no returns
A
Retailer 5
-
£1,419 GBP
$1,901 USD
View
Retailer 6
-
£1,419 GBP
$1,901 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
£1,545 GBP
$2,070 USD
View
B
Retailer 8
-
£2,230 GBP
$2,988 USD
View
B
Retailer 9
-
£2,446 GBP
$3,277 USD
View
B
Retailer 10
-
£2,658 GBP
$3,562 USD
View
Most Expensive
B
MOH London
LG451056236 · Oct 29
£4,073 GBP
View
10 more retailers have this diamond
Prices start from £634 GBPSave up to £3,438 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