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Oval|Lab Grown|IGI

1.70ct K VS1 Oval Lab Grown Diamond

ID • K/VS1 • IGI LG447001140

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447001140

Diamond specifications and retailer prices

From £1,670 GBP
As of November 5, 2026
Save £3,571 GBP (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £5,240 GBP at MOH London · As of November 5, 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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG447001140 or 447001140. Listed at 10 retailers as of November 5, 2026, with prices from £1,670 to £5,240, a £3,571 spread on the same certified stone. MOH London lists it at £5,240. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
K
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001140
Dimensions9.11 × 6.83 × 4.29 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.11 mm6.83 mm1.70 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001140
Side View
Table 55.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £5,240 GBP|Low: £1,603 GBP|High: £5,325 GBP|Avg: £2,825 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5£1,670 GBP
Retailer 9£1,816 GBP
Retailer 6£1,937 GBP
Retailer 3£2,058 GBP
Retailer 10£2,445 GBP
Retailer 8£2,662 GBP
Retailer 7£3,024 GBP
Retailer 4£3,036 GBP
Retailer 2£3,570 GBP
MOH London£5,240 GBP

22 data points across 10 retailers

10 retailers£1,670 GBP to £5,240 GBP

B+
Cheapest Retailer
-
£1,670 GBP
B+
Retailer 2
-
£1,816 GBP
View
B+
Retailer 3
-
£1,937 GBP
View
Retailer 4
-
£1,937 GBP
View
Price last confirmed 26 days ago
B+
Retailer 5
-
£2,058 GBP
View
B
Retailer 6
-
£2,662 GBP
View
B
Retailer 7
-
£3,024 GBP
View
B
Retailer 8
-
£3,036 GBP
View
B
Retailer 9
-
£3,570 GBP
View
Most Expensive
B
MOH London
LG447001140 · Nov 5
£5,240 GBP
View
9 more retailers have this diamond
Prices start from £1,670 GBPSave up to £3,571 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.

B+
1.70ct Oval
£1,670 GBP