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Round|Lab Grown|IGI

1.90ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • IGI LG496134886

Shape and cutting style on the report: Round brilliant

Certificate IGI LG496134886

Diamond specifications and retailer prices

From £1,683 GBP
As of November 5, 2026
Save £3,599 GBP (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,282 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.9ct lab-grown round diamond

This 1.9ct 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 LG496134886 or 496134886. Listed at 8 retailers as of November 5, 2026, with prices from £1,683 to £5,282, a £3,599 spread on the same certified stone. MOH London lists it at £5,282. 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

1.90
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496134886
Dimensions7.84 × 7.88 × 4.92 mm
L/W Ratio1.01
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
7.84 mm7.88 mm1.90 ctK / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496134886
Side View
Table 55.5%Crown 35.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.5%

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: £5,282 GBP|Low: £1,616 GBP|High: £5,368 GBP|Avg: £2,931 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£1,683 GBP
Retailer 6£1,831 GBP
Retailer 4£1,953 GBP
Retailer 8£2,467 GBP
Retailer 7£2,684 GBP
Retailer 2£2,992 GBP
Retailer 5£3,048 GBP
Retailer 9£4,368 GBP
MOH London£5,282 GBP

15 data points across 9 retailers

8 retailers£1,683 GBP to £5,282 GBP

B+
Cheapest Retailer
-
£1,683 GBP
B
Retailer 2
-
£1,831 GBP
View
Retailer 3
-
£1,953 GBP
View
Price last confirmed 26 days ago
B
Retailer 4
-
£1,953 GBP
View
B
Retailer 5
-
£2,684 GBP
View
B
Retailer 6
-
£2,992 GBP
View
B
Retailer 7
-
£3,048 GBP
View
Most Expensive
B
MOH London
LG496134886 · Nov 5
£5,282 GBP
View
7 more retailers have this diamond
Prices start from £1,683 GBPSave up to £3,599 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+
1.90ct Round
£1,683 GBP