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Round|Lab Grown|IGI

1.83ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG440012268

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440012268

Diamond specifications and retailer prices

From £761 GBP
$1,020 USD
As of October 30, 2026
Save £2,947 GBP (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,708 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.83ct lab-grown round diamond

This 1.83ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012268 or 440012268. Listed at 10 retailers as of October 29, 2026, with prices from £761 to £3,708, a £2,947 spread on the same certified stone. MOH London lists it at £3,708. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012268
Dimensions7.85 × 7.77 × 4.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.85 mm7.77 mm1.83 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440012268
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.2%

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: £3,708 GBP|Low: £761 GBP|High: £3,737 GBP|Avg: £1,790 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
October 30, 2026
Retailer 2£761 GBP
Retailer 3£834 GBP
Retailer 5£1,114 GBP
Retailer 8£1,211 GBP
Retailer 10£1,246 GBP
Retailer 6£1,291 GBP
Retailer 12£1,758 GBP
Retailer 7£2,034 GBP
Retailer 11£2,343 GBP
Retailer 9£2,420 GBP
Retailer 4£2,891 GBP
MOH London£3,708 GBP

15 data points across 12 retailers

10 retailers£761 GBP to £3,708 GBP

A
Cheapest Retailer
-
£761 GBP
$1,020 USD
B+
Retailer 2
-
£1,114 GBP
$1,492 USD
View
B+
Retailer 3
-
£1,211 GBP
$1,623 USD
View
B+
Retailer 4
-
£1,246 GBP
$1,670 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,291 GBP
$1,730 USD
View
Retailer 6
-
£1,291 GBP
$1,730 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
£2,034 GBP
$2,726 USD
View
B
Retailer 8
-
£2,343 GBP
$3,140 USD
View
B
Retailer 9
-
£2,420 GBP
$3,243 USD
View
Most Expensive
B
MOH London
LG440012268 · Oct 29
£3,708 GBP
View
9 more retailers have this diamond
Prices start from £761 GBPSave up to £2,947 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 Round
£761 GBP