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Round|Lab Grown|IGI

1.55ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG440014435

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440014435

Diamond specifications and retailer prices

From €767 EUR
$860 USD
As of October 31, 2026
Save €3,396 EUR (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,162 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440014435 or 440014435. Listed at 12 retailers as of October 31, 2026, with prices from €767 to €4,162, a €3,396 spread on the same certified stone. MOH London lists it at €4,162. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440014435
Dimensions7.41 × 7.45 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.41 mm7.45 mm1.55 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440014435
Side View
Table 56.0%Crown 35.9°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 61.4%

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: €4,162 EUR|Low: €767 EUR|High: €4,218 EUR|Avg: €1,990 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 6€767 EUR
Retailer 7€1,256 EUR
Retailer 10€1,367 EUR
Retailer 12€1,407 EUR
Retailer 8€1,458 EUR
Retailer 13€1,458 EUR
Retailer 3€1,609 EUR
Retailer 5€1,989 EUR
Retailer 9€2,299 EUR
Retailer 2€2,636 EUR
Retailer 4€2,645 EUR
Retailer 11€2,732 EUR
MOH London€4,162 EUR

37 data points across 13 retailers

12 retailers€767 EUR to €4,162 EUR

A
Cheapest Retailer
-
€767 EUR
$860 USD
B+
Retailer 2
-
€1,256 EUR
$1,409 USD
View
B+
Retailer 3
-
€1,367 EUR
$1,533 USD
View
B+
Retailer 4
-
€1,407 EUR
$1,578 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,458 EUR
$1,635 USD
View
Retailer 6
-
€1,458 EUR
$1,635 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
€1,609 EUR
$1,805 USD
View
B
Retailer 8
-
€2,299 EUR
$2,579 USD
View
B
Retailer 9
-
€2,636 EUR
£2,328 GBP
View
B
Retailer 10
-
€2,645 EUR
$2,967 USD
View
B
Retailer 11
-
€2,732 EUR
$3,064 USD
View
Most Expensive
B
MOH London
LG440014435 · Nov 1
€4,162 EUR
£3,676 GBP
View
11 more retailers have this diamond
Prices start from €767 EURSave up to €3,396 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
€767 EUR