Round|Lab Grown|IGI

1.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG841641630

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841641630

Diamond specifications and retailer prices

From $186 USD
As of November 3, 2026
Save $892 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,078 USD at MOH London · As of November 2, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG841641630 or 841641630. Listed at 15 retailers as of November 2, 2026, with prices from $186 to $1,078, a $892 spread on the same certified stone. MOH London lists it at $1,078. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841641630
Dimensions7.45 × 7.38 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm7.38 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841641630
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.3%

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: Nov 3
Current: $1,078 USD|Low: $186 USD|High: $1,083 USD|Avg: $516 USD|-0.5%
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
Retailer 14
Retailer 15
November 5, 2026
Retailer 7$186 USD
Retailer 15$216 USD
Retailer 4$231 USD
Retailer 11$231 USD
Retailer 8$396 USD
Retailer 5$406 USD
Retailer 2$412 USD
Retailer 10$414 USD
Retailer 13$431 USD
Retailer 3$565 USD
Retailer 9$710 USD
Retailer 14$741 USD
Retailer 12$783 USD
Retailer 6$890 USD
MOH London$1,078 USD

19 data points across 15 retailers

15 retailers$186 USD to $1,078 USD

A
Cheapest Retailer
-
$186 USD
A
Retailer 2
-
$216 USD
View
Retailer 3
-
$231 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$231 USD
View
A
Retailer 5
-
$396 USD
View
B+
Retailer 6
-
$406 USD
View
A
Retailer 7
-
$412 USD
View
A
Retailer 8
-
$414 USD
View
A
Retailer 9
-
$431 USD
View
B+
Retailer 10
-
$565 USD
View
B+
Retailer 11
-
$710 USD
View
B
Retailer 12
-
$741 USD
View
B+
Retailer 13
-
$783 USD
View
B
Retailer 14
-
$890 USD
View
Most Expensive
B
MOH London
LG841641630 · Nov 2
$1,078 USD
£849 GBP
View
14 more retailers have this diamond
Prices start from $186 USDSave up to $892 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
$186 USD