CaratHunter
Plans
Oval|Lab Grown|IGI

1.70ct K VS1 Oval Lab Grown Diamond

ID • K/VS1 • IGI LG445037540

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037540

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 LG445037540 or 445037540. 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 angle36.6°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037540
Dimensions9.08 × 6.75 × 4.33 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
9.08 mm6.75 mm1.70 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445037540
Side View
Table 58.0%Crown 36.6°Girdle: STK-THKPavilion 41.7°Culet: NoneDepth 64.1%

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: £5,544 GBP|Avg: £3,031 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6£1,670 GBP
Retailer 10£1,816 GBP
Retailer 7£1,937 GBP
Retailer 5£2,058 GBP
Retailer 11£2,445 GBP
Retailer 9£2,662 GBP
Retailer 8£3,024 GBP
Retailer 4£3,036 GBP
Retailer 2£3,570 GBP
MOH London£5,240 GBP
Retailer 3£5,544 GBP

17 data points across 11 retailers

10 retailers£1,670 GBP to £5,240 GBP

B+
Cheapest Retailer
-
£1,670 GBP
B+
Retailer 2
-
£1,816 GBP
View
Retailer 3
-
£1,937 GBP
View
Price last confirmed 26 days ago
B+
Retailer 4
-
£1,937 GBP
View
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
LG445037540 · 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