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Round|Lab Grown|IGI

1.55ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG494162260

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494162260

Diamond specifications and retailer prices

From €1,097 EUR
$1,230 USD
As of October 31, 2026
Save €3,753 EUR (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,850 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494162260 or 494162260. Listed at 11 retailers as of October 31, 2026, with prices from €1,097 to €4,850, a €3,753 spread on the same certified stone. MOH London lists it at €4,850. 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

1.55
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494162260
Dimensions7.40 × 7.36 × 4.58 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
7.40 mm7.36 mm1.55 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494162260
Side View
Table 56.5%Crown 35.7°Girdle: MediumPavilion 40.3°Culet: NoneDepth 62.1%

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: €4,850 EUR|Low: €1,097 EUR|High: €4,914 EUR|Avg: €2,185 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
November 1, 2026
Retailer 2€1,097 EUR
Retailer 7€1,464 EUR
Retailer 10€1,592 EUR
Retailer 12€1,639 EUR
Retailer 8€1,698 EUR
Retailer 13€1,698 EUR
Retailer 5€1,767 EUR
Retailer 3€1,850 EUR
Retailer 4€2,275 EUR
Retailer 9€2,668 EUR
Retailer 6€2,928 EUR
Retailer 11€3,183 EUR
MOH London€4,850 EUR

18 data points across 13 retailers

11 retailers€1,097 EUR to €4,850 EUR

A
Cheapest Retailer
-
€1,097 EUR
$1,230 USD
B+
Retailer 2
-
€1,464 EUR
$1,642 USD
View
B+
Retailer 3
-
€1,592 EUR
$1,786 USD
View
B+
Retailer 4
-
€1,639 EUR
$1,838 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,698 EUR
$1,905 USD
View
Retailer 6
-
€1,698 EUR
$1,905 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
€1,850 EUR
$2,075 USD
View
B
Retailer 8
-
€2,668 EUR
$2,993 USD
View
B
Retailer 9
-
€2,928 EUR
$3,284 USD
View
B
Retailer 10
-
€3,183 EUR
$3,570 USD
View
Most Expensive
B
MOH London
LG494162260 · Nov 1
€4,850 EUR
£4,283 GBP
View
10 more retailers have this diamond
Prices start from €1,097 EURSave up to €3,753 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
1.55ct Round
€1,097 EUR