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Oval|Lab Grown|IGI

1.71ct J VS1 Oval Lab Grown Diamond

ID • J/VS1 • IGI LG445037036

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037036

Diamond specifications and retailer prices

From £646 GBP
$860 USD
As of October 29, 2026
Save £4,040 GBP (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,685 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 LG445037036 or 445037036. Listed at 12 retailers as of October 29, 2026, with prices from £646 to £4,685, a £4,040 spread on the same certified stone. MOH London lists it at £4,685. 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 angle35.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037036
Dimensions9.18 × 6.85 × 4.24 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.18 mm6.85 mm1.71 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445037036
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.9%

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: £4,685 GBP|Low: £646 GBP|High: £4,723 GBP|Avg: £2,567 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3£646 GBP
Retailer 5£1,406 GBP
Retailer 7£1,575 GBP
Retailer 8£1,757 GBP
Retailer 9£2,160 GBP
Retailer 6£2,558 GBP
Retailer 4£2,745 GBP
Retailer 2£3,000 GBP
Retailer 10£4,672 GBP
MOH London£4,685 GBP

19 data points across 10 retailers

12 retailers£646 GBP to £4,685 GBP

A
Cheapest Retailer
-
£646 GBP
$860 USD
A
Retailer 2
-
£1,406 GBP
$1,873 USD
View
A
Retailer 3
-
£1,530 GBP
$2,038 USD
View
B+
Retailer 4
-
£1,575 GBP
$2,097 USD
View
Final sale: no returns
Retailer 5
-
£1,632 GBP
$2,173 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
£1,632 GBP
$2,173 USD
View
B+
Retailer 7
-
£1,757 GBP
$2,340 USD
View
B
Retailer 8
-
£2,558 GBP
$3,406 USD
View
B
Retailer 9
-
£2,745 GBP
$3,655 USD
View
B
Retailer 10
-
£3,000 GBP
ZAR 64,536 ZAR
View
B
Retailer 11
-
£3,059 GBP
$4,073 USD
View
Most Expensive
B
MOH London
LG445037036 · Oct 29
£4,685 GBP
View
11 more retailers have this diamond
Prices start from £646 GBPSave up to £4,040 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
£646 GBP