Round|Lab Grown|IGI

1.54ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG816613791

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816613791

Diamond specifications and retailer prices

From $205 USD
As of November 5, 2026
Save $979 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,184 USD at MOH London · As of November 5, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816613791 or 816613791. Listed at 14 retailers as of November 5, 2026, with prices from $205 to $1,184, a $979 spread on the same certified stone. MOH London lists it at $1,184. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816613791
Dimensions7.45 × 7.39 × 4.58 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 mm7.39 mm1.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816613791
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 41°Culet: NoneDepth 61.7%

Caratlytics Score

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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 5
Current: $1,184 USD|Low: $205 USD|High: $1,201 USD|Avg: $643 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$205 USD
Retailer 8$254 USD
Retailer 2$428 USD
Retailer 9$439 USD
Retailer 3$461 USD
Retailer 6$720 USD
Retailer 4$819 USD
Retailer 5$1,030 USD
MOH London$1,184 USD

44 data points across 9 retailers

14 retailers$205 USD to $1,184 USD

A
Cheapest Retailer
-
$205 USD
A
Retailer 2
-
$237 USD
View
Retailer 3
-
$254 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$254 USD
View
A
Retailer 5
-
$428 USD
View
B+
Retailer 6
-
$439 USD
View
A
Retailer 7
-
$442 USD
View
A
Retailer 8
-
$461 USD
View
B+
Retailer 9
-
$720 USD
View
B+
Retailer 10
-
$816 USD
View
B
Retailer 11
-
$819 USD
View
B
Retailer 12
-
$869 USD
View
B
Retailer 13
-
$1,030 USD
View
Most Expensive
B
MOH London
LG816613791 · Nov 5
$1,184 USD
£932 GBP
View
13 more retailers have this diamond
Prices start from $205 USDSave up to $979 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
$205 USD