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Oval|Lab Grown|IGI

1.70ct K VS1 Oval Lab Grown Diamond

GD • K/VS1 • IGI LG447000129

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447000129

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 standard cut grade and certified by IGI LG447000129 or 447000129. 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. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
K
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000129
Dimensions9.10 × 6.86 × 4.28 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.10 mm6.86 mm1.70 ctK / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447000129
Side View
Table 60.0%Crown 36°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 62.4%

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: £2,729 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 3£1,801 GBP
Retailer 10£1,816 GBP
Retailer 7£1,937 GBP
Retailer 4£2,058 GBP
Retailer 11£2,445 GBP
Retailer 9£2,662 GBP
Retailer 8£3,024 GBP
Retailer 5£3,036 GBP
Retailer 2£3,570 GBP
MOH London£5,240 GBP

21 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
C
MOH London
LG447000129 · 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