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Princess|Lab Grown|IGI

1.70ct K VS1 Princess Lab Grown Diamond

VG • K/VS1 • IGI LG447002189

Shape and cutting style on the report: Princess cut

Certificate IGI LG447002189

Diamond specifications and retailer prices

From £1,661 GBP
As of November 6, 2026
Save £3,551 GBP (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £5,211 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.7ct lab-grown princess diamond

This 1.7ct lab-grown princess sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG447002189 or 447002189. Listed at 10 retailers as of November 5, 2026, with prices from £1,661 to £5,211, a £3,551 spread on the same certified stone. MOH London lists it at £5,211. 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
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447002189
Dimensions7.76 × 7.72 × 4.59 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
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Top View
7.76 mm7.72 mm1.70 ctK / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447002189
Side View
Table 60.0%Crown 32°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.2%

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 6
Current: £5,211 GBP|Low: £1,594 GBP|High: £5,295 GBP|Avg: £2,689 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£1,661 GBP
Retailer 10£1,806 GBP
Retailer 7£1,926 GBP
Retailer 3£1,942 GBP
Retailer 4£2,047 GBP
Retailer 11£2,431 GBP
Retailer 9£2,647 GBP
Retailer 8£3,008 GBP
Retailer 5£3,019 GBP
Retailer 2£3,551 GBP
MOH London£5,211 GBP

24 data points across 11 retailers

10 retailers£1,661 GBP to £5,211 GBP

B+
Cheapest Retailer
-
£1,661 GBP
B+
Retailer 2
-
£1,806 GBP
View
B
Retailer 3
-
£1,926 GBP
View
Retailer 4
-
£1,926 GBP
View
Price last confirmed 26 days ago
B
Retailer 5
-
£2,047 GBP
View
B
Retailer 6
-
£2,647 GBP
View
B
Retailer 7
-
£3,008 GBP
View
B
Retailer 8
-
£3,019 GBP
View
B
Retailer 9
-
£3,551 GBP
View
Most Expensive
C
MOH London
LG447002189 · Nov 5
£5,211 GBP
View
9 more retailers have this diamond
Prices start from £1,661 GBPSave up to £3,551 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 Princess
£1,661 GBP