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Pear|Lab Grown|IGI

1.70ct I SI1 Pear Lab Grown Diamond

ID • I/SI1 • IGI LG451057768

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG451057768

Diamond specifications and retailer prices

From £731 GBP
$980 USD
As of October 30, 2026
Save £2,910 GBP (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,642 GBP at MOH London · As of October 29, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057768 or 451057768. Listed at 12 retailers as of October 29, 2026, with prices from £731 to £3,642, a £2,910 spread on the same certified stone. MOH London lists it at £3,642. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057768
Dimensions10.02 × 6.62 × 4.22 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.02 mm6.62 mm1.70 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057768
Side View
Table 61.5%Crown 36.6°Girdle: STK-THKPavilion 41.9°Culet: NoneDepth 63.7%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £3,642 GBP|Low: £731 GBP|High: £3,670 GBP|Avg: £1,878 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 2£731 GBP
Retailer 8£1,093 GBP
Retailer 12£1,190 GBP
Retailer 14£1,223 GBP
Retailer 9£1,268 GBP
Retailer 13£1,268 GBP
Retailer 3£1,396 GBP
Retailer 5£1,726 GBP
Retailer 7£1,816 GBP
Retailer 10£1,999 GBP
Retailer 4£2,302 GBP
Retailer 11£2,377 GBP
Retailer 6£3,631 GBP
MOH London£3,642 GBP

23 data points across 14 retailers

12 retailers£731 GBP to £3,642 GBP

A
Cheapest Retailer
-
£731 GBP
$980 USD
A
Retailer 2
-
£1,093 GBP
$1,465 USD
View
B+
Retailer 3
-
£1,190 GBP
$1,594 USD
View
B+
Retailer 4
-
£1,223 GBP
$1,639 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,268 GBP
$1,699 USD
View
Retailer 6
-
£1,268 GBP
$1,699 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
£1,396 GBP
$1,870 USD
View
B+
Retailer 8
-
£1,816 GBP
View
B
Retailer 9
-
£1,999 GBP
$2,679 USD
View
B
Retailer 10
-
£2,302 GBP
$3,084 USD
View
B
Retailer 11
-
£2,377 GBP
$3,185 USD
View
Most Expensive
B
MOH London
LG451057768 · Oct 29
£3,642 GBP
View
11 more retailers have this diamond
Prices start from £731 GBPSave up to £2,910 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
£731 GBP