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Round|Lab Grown|IGI

1.54ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG407945488

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407945488

Diamond specifications and retailer prices

From €770 EUR
$860 USD
As of October 30, 2026
Save €3,456 EUR (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,225 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407945488 or 407945488. Listed at 10 retailers as of October 29, 2026, with prices from €770 to €4,225, a €3,456 spread on the same certified stone. MOH London lists it at €4,225. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407945488
Dimensions7.35 × 7.32 × 4.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.35 mm7.32 mm1.54 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407945488
Side View
Table 56.5%Crown 36.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.5%

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 30
Current: €4,225 EUR|Low: €770 EUR|High: €4,258 EUR|Avg: €2,115 EUR|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2€770 EUR
Retailer 4€1,262 EUR
Retailer 6€1,812 EUR
Retailer 3€2,072 EUR
Retailer 5€2,438 EUR
Retailer 7€2,928 EUR
MOH London€4,225 EUR

9 data points across 7 retailers

10 retailers€770 EUR to €4,225 EUR

A
Cheapest Retailer
-
€770 EUR
$860 USD
B+
Retailer 2
-
€1,128 EUR
$1,260 USD
View
B+
Retailer 3
-
€1,227 EUR
$1,371 USD
View
B+
Retailer 4
-
€1,262 EUR
$1,410 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,308 EUR
$1,461 USD
View
Retailer 6
-
€1,308 EUR
$1,461 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
€2,072 EUR
$2,315 USD
View
B
Retailer 8
-
€2,438 EUR
$2,724 USD
View
B
Retailer 9
-
€2,452 EUR
$2,739 USD
View
Most Expensive
B
MOH London
LG407945488 · Oct 29
€4,225 EUR
£3,717 GBP
View
9 more retailers have this diamond
Prices start from €770 EURSave up to €3,456 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