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Round|Lab Grown|IGI

1.90ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG499191777

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499191777

Diamond specifications and retailer prices

From €954 EUR
$1,070 USD
As of October 31, 2026
Save €4,130 EUR (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €5,084 EUR 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499191777 or 499191777. Listed at 12 retailers as of October 31, 2026, with prices from €954 to €5,084, a €4,130 spread on the same certified stone. MOH London lists it at €5,084. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499191777
Dimensions7.96 × 7.91 × 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
7.96 mm7.91 mm1.90 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499191777
Side View
Table 55.0%Crown 33.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.4%

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: €5,084 EUR|Low: €954 EUR|High: €5,152 EUR|Avg: €2,381 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 7€954 EUR
Retailer 9€1,534 EUR
Retailer 13€1,670 EUR
Retailer 12€1,719 EUR
Retailer 3€1,780 EUR
Retailer 10€1,780 EUR
Retailer 6€1,813 EUR
Retailer 4€1,930 EUR
Retailer 5€2,385 EUR
Retailer 11€2,795 EUR
Retailer 8€3,069 EUR
Retailer 2€3,219 EUR
Retailer 14€3,336 EUR
MOH London€5,084 EUR

39 data points across 14 retailers

12 retailers€954 EUR to €5,084 EUR

A
Cheapest Retailer
-
€954 EUR
$1,070 USD
B+
Retailer 2
-
€1,534 EUR
$1,721 USD
View
B+
Retailer 3
-
€1,670 EUR
$1,873 USD
View
B+
Retailer 4
-
€1,719 EUR
$1,928 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,780 EUR
$1,996 USD
View
Retailer 6
-
€1,780 EUR
$1,996 USD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
€1,930 EUR
$2,165 USD
View
B
Retailer 8
-
€2,795 EUR
$3,135 USD
View
B
Retailer 9
-
€3,069 EUR
$3,442 USD
View
B
Retailer 10
-
€3,219 EUR
£2,843 GBP
View
B
Retailer 11
-
€3,336 EUR
$3,742 USD
View
Most Expensive
B
MOH London
LG499191777 · Nov 1
€5,084 EUR
£4,490 GBP
View
11 more retailers have this diamond
Prices start from €954 EURSave up to €4,130 EUR

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
€954 EUR