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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 €770 EUR
$860 USD
As of October 31, 2026
Save €3,226 EUR (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,996 EUR at MOH London · As of October 29, 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 October 29, 2026, with prices from €770 to €3,996, a €3,226 spread on the same certified stone. MOH London lists it at €3,996. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €3,996 EUR|Low: €770 EUR|High: €4,028 EUR|Avg: €1,847 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2€770 EUR
Retailer 3€1,066 EUR
Retailer 6€1,194 EUR
Retailer 4€1,237 EUR
Retailer 7€1,392 EUR
Retailer 9€1,753 EUR
Retailer 5€1,963 EUR
Retailer 8€2,369 EUR
MOH London€3,996 EUR

15 data points across 9 retailers

11 retailers€770 EUR to €3,996 EUR

A
Cheapest Retailer
-
€770 EUR
$860 USD
B+
Retailer 2
-
€1,066 EUR
$1,191 USD
View
B+
Retailer 3
-
€1,160 EUR
$1,296 USD
View
B+
Retailer 4
-
€1,194 EUR
$1,334 USD
View
Final sale: no returns
Retailer 5
-
€1,237 EUR
$1,382 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
€1,237 EUR
$1,382 USD
View
B+
Retailer 7
-
€1,392 EUR
$1,555 USD
View
B
Retailer 8
-
€1,963 EUR
$2,193 USD
View
B
Retailer 9
-
€2,318 EUR
$2,590 USD
View
B
Retailer 10
-
€2,369 EUR
$2,647 USD
View
Most Expensive
B
MOH London
LG485136600 · Oct 29
€3,996 EUR
£3,515 GBP
View
10 more retailers have this diamond
Prices start from €770 EURSave up to €3,226 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
€770 EUR