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Pear|Lab Grown|IGI

1.70ct H SI1 Pear Lab Grown Diamond

ID • H/SI1 • IGI LG508156191

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG508156191

Diamond specifications and retailer prices

From £843 GBP
$1,130 USD
As of October 29, 2026
Save £3,164 GBP (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,007 GBP at MOH London · As of October 25, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508156191 or 508156191. Listed at 11 retailers as of October 25, 2026, with prices from £843 to £4,007, a £3,164 spread on the same certified stone. MOH London lists it at £4,007. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156191
Dimensions10.40 × 6.59 × 4.17 mm
L/W Ratio1.58
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.40 mm6.59 mm1.70 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508156191
Side View
Table 60.5%Crown 36.5°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 63.3%

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 29
Current: £4,007 GBP|Low: £843 GBP|High: £4,051 GBP|Avg: £2,074 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 2026
Retailer 5£843 GBP
Retailer 4£1,208 GBP
Retailer 8£1,353 GBP
Retailer 6£1,402 GBP
Retailer 3£1,451 GBP
Retailer 9£1,526 GBP
Retailer 10£1,885 GBP
Retailer 7£2,204 GBP
Retailer 2£2,479 GBP
MOH London£4,007 GBP
Retailer 11£4,012 GBP

13 data points across 11 retailers

11 retailers£843 GBP to £4,007 GBP

A
Cheapest Retailer
-
£843 GBP
$1,130 USD
A
Retailer 2
-
£1,208 GBP
$1,619 USD
View
B+
Retailer 3
-
£1,314 GBP
$1,761 USD
View
B+
Retailer 4
-
£1,353 GBP
$1,813 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,402 GBP
$1,878 USD
View
Retailer 6
-
£1,402 GBP
$1,878 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
£1,526 GBP
$2,045 USD
View
B
Retailer 8
-
£2,204 GBP
$2,953 USD
View
B
Retailer 9
-
£2,479 GBP
$3,321 USD
View
B
Retailer 10
-
£2,627 GBP
$3,520 USD
View
Most Expensive
B
MOH London
LG508156191 · Oct 25
£4,007 GBP
View
10 more retailers have this diamond
Prices start from £843 GBPSave up to £3,164 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
£843 GBP