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Round|Lab Grown|IGI

1.80ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • IGI LG476186144

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476186144

Diamond specifications and retailer prices

From £1,595 GBP
As of November 5, 2026
Save £3,412 GBP (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,008 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476186144 or 476186144. Listed at 8 retailers as of November 5, 2026, with prices from £1,595 to £5,008, a £3,412 spread on the same certified stone. MOH London lists it at £5,008. 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

1.80
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476186144
Dimensions7.92 × 7.95 × 4.63 mm
L/W Ratio1.00
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
7.92 mm7.95 mm1.80 ctK / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476186144
Side View
Table 62.0%Crown 32.5°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £5,008 GBP|Low: £1,532 GBP|High: £5,089 GBP|Avg: £2,788 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3£1,595 GBP
Retailer 6£1,736 GBP
Retailer 4£1,851 GBP
Retailer 8£2,348 GBP
Retailer 7£2,544 GBP
Retailer 5£2,892 GBP
Retailer 2£2,901 GBP
Retailer 9£4,141 GBP
MOH London£5,008 GBP

12 data points across 9 retailers

8 retailers£1,595 GBP to £5,008 GBP

B+
Cheapest Retailer
-
£1,595 GBP
B
Retailer 2
-
£1,736 GBP
View
Retailer 3
-
£1,851 GBP
View
Price last confirmed 26 days ago
B
Retailer 4
-
£1,851 GBP
View
B
Retailer 5
-
£2,544 GBP
View
B
Retailer 6
-
£2,892 GBP
View
B
Retailer 7
-
£2,901 GBP
View
Most Expensive
B
MOH London
LG476186144 · Nov 5
£5,008 GBP
View
7 more retailers have this diamond
Prices start from £1,595 GBPSave up to £3,412 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.

B+
1.80ct Round
£1,595 GBP