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Round|Lab Grown|IGI

1.54ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG483125649

Shape and cutting style on the report: Round brilliant

Certificate IGI LG483125649

Diamond specifications and retailer prices

From $850 USD
As of October 30, 2026
Save $3,871 USD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,721 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG483125649 or 483125649. Listed at 10 retailers as of October 29, 2026, with prices from $850 to $4,721, a $3,871 spread on the same certified stone. MOH London lists it at $4,721. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG483125649
Dimensions7.54 × 7.49 × 4.50 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 mm7.49 mm1.54 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG483125649
Side View
Table 61.5%Crown 32.5°Girdle: MediumPavilion 41.5°Culet: NoneDepth 60.0%

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: $4,721 USD|Low: $850 USD|High: $4,751 USD|Avg: $2,403 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$850 USD
Retailer 4$1,411 USD
Retailer 7$1,717 USD
Retailer 6$2,024 USD
Retailer 3$2,315 USD
Retailer 5$2,724 USD
Retailer 8$3,271 USD
MOH London$4,721 USD

10 data points across 8 retailers

10 retailers$850 USD to $4,721 USD

A
Cheapest Retailer
-
$850 USD
B+
Retailer 2
-
$1,260 USD
View
B+
Retailer 3
-
$1,371 USD
View
B+
Retailer 4
-
$1,411 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,461 USD
View
Retailer 6
-
$1,461 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$2,315 USD
View
B
Retailer 8
-
$2,724 USD
View
B
Retailer 9
-
$2,739 USD
View
Most Expensive
B
MOH London
LG483125649 · Oct 29
$4,721 USD
£3,717 GBP
View
9 more retailers have this diamond
Prices start from $850 USDSave up to $3,871 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
$850 USD