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Pear|Lab Grown|IGI

1.70ct K SI1 Pear Lab Grown Diamond

ID • K/SI1 • IGI LG436045139

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG436045139

Diamond specifications and retailer prices

From £769 GBP
As of November 6, 2026
Save £2,255 GBP (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,024 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.7ct lab-grown pear diamond

This 1.7ct lab-grown pear sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045139 or 436045139. Listed at 9 retailers as of November 3, 2026, with prices from £769 to £3,024, a £2,255 spread on the same certified stone. MOH London lists it at £3,024. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.70
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045139
Dimensions10.20 × 6.60 × 4.19 mm
L/W Ratio1.55
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.20 mm6.60 mm1.70 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045139
Side View
Table 59.5%Crown 36.7°Girdle: MED-THKPavilion 41.3°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,024 GBP|Low: £738 GBP|High: £3,060 GBP|Avg: £1,568 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3£769 GBP
Retailer 4£891 GBP
Retailer 2£1,024 GBP
Retailer 7£1,298 GBP
Retailer 5£1,422 GBP
Retailer 6£1,863 GBP
MOH London£3,024 GBP

12 data points across 7 retailers

9 retailers£769 GBP to £3,024 GBP

A
Cheapest Retailer
-
£769 GBP
A
Retailer 2
-
£836 GBP
View
B+
Retailer 3
-
£891 GBP
View
Retailer 4
-
£891 GBP
View
Price last confirmed 26 days ago
B+
Retailer 5
-
£1,024 GBP
View
B+
Retailer 6
-
£1,422 GBP
View
B
Retailer 7
-
£1,671 GBP
View
B
Retailer 8
-
£1,863 GBP
View
Most Expensive
B
MOH London
LG436045139 · Nov 3
£3,024 GBP
View
8 more retailers have this diamond
Prices start from £769 GBPSave up to £2,255 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 Pear
£769 GBP