CaratHunter
Plans
Round|Lab Grown|IGI

1.54ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG485136600

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485136600

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 LG485136600 or 485136600. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485136600
Dimensions7.34 × 7.29 × 4.62 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
7.34 mm7.29 mm1.54 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485136600
Side View
Table 55.5%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.1%

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: Nov 2
Current: €3,959 EUR|Low: €767 EUR|High: €4,012 EUR|Avg: €1,833 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2€767 EUR
Retailer 3€1,062 EUR
Retailer 6€1,189 EUR
Retailer 4€1,232 EUR
Retailer 7€1,386 EUR
Retailer 9€1,747 EUR
Retailer 5€1,955 EUR
Retailer 8€2,360 EUR
MOH London€3,959 EUR

16 data points across 9 retailers

11 retailers€767 EUR to €3,959 EUR

A
Cheapest Retailer
-
€767 EUR
$860 USD
B+
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 21 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
LG485136600 · 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