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Pear|Lab Grown|IGI

1.83ct I SI1 Pear Lab Grown Diamond

ID • I/SI1 • IGI LG451057296

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG451057296

Diamond specifications and retailer prices

From £784 GBP
$1,050 USD
As of October 31, 2026
Save £3,131 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,915 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.83ct lab-grown pear diamond

This 1.83ct 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 LG451057296 or 451057296. Listed at 11 retailers as of October 29, 2026, with prices from £784 to £3,915, a £3,131 spread on the same certified stone. MOH London lists it at £3,915. 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

1.83
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057296
Dimensions10.36 × 6.91 × 4.36 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.36 mm6.91 mm1.83 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057296
Side View
Table 58.0%Crown 34.4°Girdle: MED-VTKPavilion 41.8°Culet: NoneDepth 63.1%

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 31
Current: £3,915 GBP|Low: £784 GBP|High: £3,946 GBP|Avg: £2,121 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2£784 GBP
Retailer 4£1,175 GBP
Retailer 7£1,316 GBP
Retailer 5£1,364 GBP
Retailer 8£1,489 GBP
Retailer 9£1,843 GBP
Retailer 6£2,146 GBP
Retailer 3£2,411 GBP
Retailer 10£3,903 GBP
MOH London£3,915 GBP

16 data points across 10 retailers

11 retailers£784 GBP to £3,915 GBP

A
Cheapest Retailer
-
£784 GBP
$1,050 USD
A
Retailer 2
-
£1,175 GBP
$1,575 USD
View
B+
Retailer 3
-
£1,278 GBP
$1,713 USD
View
B+
Retailer 4
-
£1,316 GBP
$1,763 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,364 GBP
$1,827 USD
View
Retailer 6
-
£1,364 GBP
$1,827 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
£1,489 GBP
$1,995 USD
View
B
Retailer 8
-
£2,146 GBP
$2,875 USD
View
B
Retailer 9
-
£2,411 GBP
$3,230 USD
View
B
Retailer 10
-
£2,555 GBP
$3,424 USD
View
Most Expensive
B
MOH London
LG451057296 · Oct 29
£3,915 GBP
View
10 more retailers have this diamond
Prices start from £784 GBPSave up to £3,131 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
1.83ct Pear
£784 GBP