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Oval|Lab Grown|IGI

1.71ct J VS2 Oval Lab Grown Diamond

ID • J/VS2 • IGI LG451056238

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451056238

Diamond specifications and retailer prices

From £657 GBP
$880 USD
As of October 29, 2026
Save £3,416 GBP (84%) vs most expensive(unlock to see where)
12 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 LG451056238 or 451056238. Listed at 12 retailers as of October 29, 2026, with prices from £657 to £4,073, a £3,416 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
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056238
Dimensions9.30 × 6.85 × 4.28 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.30 mm6.85 mm1.71 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056238
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.5%

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: £4,073 GBP|Low: £657 GBP|High: £4,105 GBP|Avg: £2,101 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
Retailer 15
October 30, 2026
Retailer 10£657 GBP
Retailer 9£1,222 GBP
Retailer 14£1,331 GBP
Retailer 15£1,369 GBP
Retailer 3£1,419 GBP
Retailer 11£1,419 GBP
Retailer 4£1,545 GBP
Retailer 2£1,862 GBP
Retailer 5£1,905 GBP
Retailer 12£2,230 GBP
Retailer 8£2,446 GBP
Retailer 13£2,658 GBP
Retailer 7£3,175 GBP
Retailer 6£4,061 GBP
MOH London£4,073 GBP

24 data points across 15 retailers

12 retailers£657 GBP to £4,073 GBP

A
Cheapest Retailer
-
£657 GBP
$880 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
Retailer 5
-
£1,419 GBP
$1,901 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
£1,419 GBP
$1,901 USD
View
B+
Retailer 7
-
£1,545 GBP
$2,070 USD
View
B+
Retailer 8
-
£1,862 GBP
View
B
Retailer 9
-
£2,230 GBP
$2,988 USD
View
B
Retailer 10
-
£2,446 GBP
$3,277 USD
View
B
Retailer 11
-
£2,658 GBP
$3,562 USD
View
Most Expensive
B
MOH London
LG451056238 · Oct 29
£4,073 GBP
View
11 more retailers have this diamond
Prices start from £657 GBPSave up to £3,416 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
£657 GBP