CaratHunter
Plans
Round|Lab Grown|IGI

1.54ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG492123586

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123586

Diamond specifications and retailer prices

From $958 USD
As of November 5, 2026
Save $2,801 USD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,759 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492123586 or 492123586. Listed at 9 retailers as of November 5, 2026, with prices from $958 to $3,759, a $2,801 spread on the same certified stone. MOH London lists it at $3,759. 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
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123586
Dimensions7.35 × 7.37 × 4.60 mm
L/W Ratio1.00
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
7.35 mm7.37 mm1.54 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492123586
Side View
Table 55.0%Crown 35.6°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: Nov 5
Current: $3,759 USD|Low: $958 USD|High: $3,819 USD|Avg: $2,036 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$958 USD
Retailer 5$1,111 USD
Retailer 2$1,285 USD
Retailer 7$1,631 USD
Retailer 6$1,777 USD
Retailer 3$2,395 USD
MOH London$3,759 USD

17 data points across 7 retailers

9 retailers$958 USD to $3,759 USD

A
Cheapest Retailer
-
$958 USD
A
Retailer 2
-
$1,042 USD
View
Retailer 3
-
$1,111 USD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$1,111 USD
View
B+
Retailer 5
-
$1,285 USD
View
B+
Retailer 6
-
$1,777 USD
View
B
Retailer 7
-
$2,395 USD
View
B
Retailer 8
-
$3,125 USD
View
Most Expensive
B
MOH London
LG492123586 · Nov 5
$3,759 USD
£2,960 GBP
View
8 more retailers have this diamond
Prices start from $958 USDSave up to $2,801 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
$958 USD