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Round|Lab Grown|IGI

1.54ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG618416961

Shape and cutting style on the report: Round brilliant

Certificate IGI LG618416961

Diamond specifications and retailer prices

From $537 USD
As of October 30, 2026
Save $939 USD (64%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,476 USD 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618416961 or 618416961. Listed at 6 retailers as of October 29, 2026, with prices from $537 to $1,476, a $939 spread on the same certified stone. MOH London lists it at $1,476. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618416961
Dimensions7.54 × 7.50 × 4.47 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
7.54 mm7.50 mm1.54 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618416961
Side View
Table 59.0%Crown 33.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.4%

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 30
Current: $1,476 USD|Low: $461 USD|High: $1,486 USD|Avg: $688 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 6$461 USD
Retailer 5$537 USD
Retailer 7$550 USD
Retailer 2$575 USD
Retailer 3$599 USD
Retailer 4$627 USD
MOH London$1,476 USD

10 data points across 7 retailers

6 retailers$537 USD to $1,476 USD

Retailer 1
-
$461 USD
HK$3,600 HKD
Price last confirmed 58 days ago
A
Retailer 2
-
$537 USD
View
Retailer 3
-
$575 USD
View
A
Retailer 4
-
$599 USD
View
A
Retailer 5
-
$627 USD
View
Most Expensive
B+
MOH London
LG618416961 · Oct 29
$1,476 USD
£1,162 GBP
View
5 more retailers have this diamond
Prices start from $537 USDSave up to $939 USD

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
$537 USD