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Oval|Lab Grown|IGI

1.70ct J VS1 Oval Lab Grown Diamond

ID • J/VS1 • IGI LG445039268

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445039268

Diamond specifications and retailer prices

From £646 GBP
$860 USD
As of October 29, 2026
Save £4,013 GBP (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,659 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct lab-grown oval diamond

This 1.7ct 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 LG445039268 or 445039268. Listed at 12 retailers as of October 29, 2026, with prices from £646 to £4,659, a £4,013 spread on the same certified stone. MOH London lists it at £4,659. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445039268
Dimensions9.19 × 6.77 × 4.24 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.19 mm6.77 mm1.70 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445039268
Side View
Table 57.0%Crown 34.1°Girdle: STK-VTKPavilion 40.7°Culet: NoneDepth 62.6%

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: £4,659 GBP|Low: £646 GBP|High: £4,696 GBP|Avg: £2,341 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 7£646 GBP
Retailer 9£1,399 GBP
Retailer 13£1,521 GBP
Retailer 14£1,566 GBP
Retailer 3£1,623 GBP
Retailer 10£1,623 GBP
Retailer 4£1,750 GBP
Retailer 5£2,149 GBP
Retailer 11£2,543 GBP
Retailer 8£2,729 GBP
Retailer 2£2,983 GBP
Retailer 12£3,041 GBP
Retailer 6£4,645 GBP
MOH London£4,659 GBP

22 data points across 14 retailers

12 retailers£646 GBP to £4,659 GBP

A
Cheapest Retailer
-
£646 GBP
$860 USD
A
Retailer 2
-
£1,399 GBP
$1,863 USD
View
B+
Retailer 3
-
£1,521 GBP
$2,026 USD
View
B+
Retailer 4
-
£1,566 GBP
$2,086 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,623 GBP
$2,161 USD
View
Retailer 6
-
£1,623 GBP
$2,161 USD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
£1,750 GBP
$2,330 USD
View
B
Retailer 8
-
£2,543 GBP
$3,386 USD
View
B
Retailer 9
-
£2,729 GBP
$3,634 USD
View
B
Retailer 10
-
£2,983 GBP
ZAR 64,164 ZAR
View
B
Retailer 11
-
£3,041 GBP
$4,050 USD
View
Most Expensive
B
MOH London
LG445039268 · Oct 29
£4,659 GBP
View
11 more retailers have this diamond
Prices start from £646 GBPSave up to £4,013 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
1.70ct Oval
£646 GBP