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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 €770 EUR
$860 USD
As of October 31, 2026
Save €3,204 EUR (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,974 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 October 31, 2026, with prices from €770 to €3,974, a €3,204 spread on the same certified stone. MOH London lists it at €3,974. 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
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: Oct 31
Current: €3,974 EUR|Low: €770 EUR|High: €4,022 EUR|Avg: €1,655 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€770 EUR
Retailer 6€1,066 EUR
Retailer 9€1,160 EUR
Retailer 11€1,194 EUR
Retailer 7€1,237 EUR
Retailer 12€1,237 EUR
Retailer 5€1,358 EUR
Retailer 13€1,392 EUR
Retailer 4€1,753 EUR
Retailer 8€1,963 EUR
Retailer 10€2,318 EUR
Retailer 3€2,369 EUR
MOH London€3,974 EUR

14 data points across 13 retailers

11 retailers€770 EUR to €3,974 EUR

A
Cheapest Retailer
-
€770 EUR
$860 USD
A
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
LG442068671 · Nov 1
€3,974 EUR
£3,496 GBP
View
10 more retailers have this diamond
Prices start from €770 EURSave up to €3,204 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