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Round|Lab Grown|IGI

1.54ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG442068671

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442068671

Diamond specifications and retailer prices

From €767 EUR
$860 USD
As of November 2, 2026
Save €3,192 EUR (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,959 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442068671 or 442068671. Listed at 11 retailers as of November 1, 2026, with prices from €767 to €3,959, a €3,192 spread on the same certified stone. MOH London lists it at €3,959. 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

1.54
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442068671
Dimensions7.39 × 7.36 × 4.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.39 mm7.36 mm1.54 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442068671
Side View
Table 55.5%Crown 36.2°Girdle: MediumPavilion 40.3°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €3,959 EUR|Low: €767 EUR|High: €4,006 EUR|Avg: €1,649 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€767 EUR
Retailer 6€1,062 EUR
Retailer 9€1,155 EUR
Retailer 11€1,189 EUR
Retailer 7€1,232 EUR
Retailer 12€1,232 EUR
Retailer 5€1,352 EUR
Retailer 13€1,386 EUR
Retailer 4€1,747 EUR
Retailer 8€1,955 EUR
Retailer 10€2,309 EUR
Retailer 3€2,360 EUR
MOH London€3,959 EUR

14 data points across 13 retailers

11 retailers€767 EUR to €3,959 EUR

A
Cheapest Retailer
-
€767 EUR
$860 USD
A
Retailer 2
-
€1,062 EUR
$1,191 USD
View
B+
Retailer 3
-
€1,155 EUR
$1,296 USD
View
B+
Retailer 4
-
€1,189 EUR
$1,334 USD
View
Final sale: no returns
Retailer 5
-
€1,232 EUR
$1,382 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€1,232 EUR
$1,382 USD
View
B+
Retailer 7
-
€1,386 EUR
$1,555 USD
View
B
Retailer 8
-
€1,955 EUR
$2,193 USD
View
B
Retailer 9
-
€2,309 EUR
$2,590 USD
View
B
Retailer 10
-
€2,360 EUR
$2,647 USD
View
Most Expensive
B
MOH London
LG442068671 · Nov 1
€3,959 EUR
£3,496 GBP
View
10 more retailers have this diamond
Prices start from €767 EURSave up to €3,192 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
1.54ct Round
€767 EUR