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Round|Lab Grown|IGI

1.90ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG499107996

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499107996

Diamond specifications and retailer prices

From £813 GBP
$1,090 USD
As of October 31, 2026
Save £3,296 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,110 GBP at MOH London · As of November 1, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499107996 or 499107996. Listed at 10 retailers as of October 31, 2026, with prices from £813 to £4,110, a £3,296 spread on the same certified stone. MOH London lists it at £4,110. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499107996
Dimensions7.89 × 7.83 × 4.95 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
7.89 mm7.83 mm1.90 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499107996
Side View
Table 55.5%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.9%

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: £4,110 GBP|Low: £813 GBP|High: £4,165 GBP|Avg: £2,028 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2£813 GBP
Retailer 6£1,240 GBP
Retailer 9£1,350 GBP
Retailer 3£1,385 GBP
Retailer 11£1,389 GBP
Retailer 7£1,439 GBP
Retailer 12£1,936 GBP
Retailer 8£2,262 GBP
Retailer 5£2,482 GBP
Retailer 10£2,697 GBP
Retailer 4£3,222 GBP
MOH London£4,110 GBP

19 data points across 12 retailers

10 retailers£813 GBP to £4,110 GBP

A
Cheapest Retailer
-
£813 GBP
$1,090 USD
B+
Retailer 2
-
£1,240 GBP
$1,662 USD
View
B+
Retailer 3
-
£1,350 GBP
$1,809 USD
View
B+
Retailer 4
-
£1,389 GBP
$1,861 USD
View
Final sale: no returns
Retailer 5
-
£1,439 GBP
$1,928 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
£1,439 GBP
$1,928 USD
View
B
Retailer 7
-
£2,262 GBP
$3,031 USD
View
B
Retailer 8
-
£2,482 GBP
$3,325 USD
View
B
Retailer 9
-
£2,697 GBP
$3,614 USD
View
Most Expensive
B
MOH London
LG499107996 · Nov 1
£4,110 GBP
View
9 more retailers have this diamond
Prices start from £813 GBPSave up to £3,296 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
1.90ct Round
£813 GBP