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Marquise|Lab Grown|IGI

0.54ct I SI1 Marquise Lab Grown Diamond

ID • I/SI1 • IGI LG436047417

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047417

Diamond specifications and retailer prices

From $289 USD
As of October 30, 2026
Save $1,146 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,435 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.54ct lab-grown marquise diamond

This 0.54ct lab-grown marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047417 or 436047417. Listed at 11 retailers as of October 30, 2026, with prices from $289 to $1,435, a $1,146 spread on the same certified stone. MOH London lists it at $1,435. 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

0.54
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047417
Dimensions7.91 × 4.35 × 2.78 mm
L/W Ratio1.82
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.91 mm4.35 mm0.54 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436047417
Side View
Table 59.0%Crown 32.1°Girdle: MED-THKPavilion 42.1°Culet: NoneDepth 63.9%

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: Oct 30
Current: $1,435 USD|Low: $277 USD|High: $1,453 USD|Avg: $696 USD
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
November 1, 2026
Retailer 9$289 USD
Retailer 3$323 USD
Retailer 13$335 USD
Retailer 2$340 USD
Retailer 10$358 USD
Retailer 14$358 USD
Retailer 4$515 USD
Retailer 12$588 USD
Retailer 7$662 USD
Retailer 5$718 USD
Retailer 8$1,101 USD
Retailer 11$1,152 USD
MOH London$1,435 USD
Retailer 6$1,440 USD

23 data points across 14 retailers

11 retailers$289 USD to $1,435 USD

A
Cheapest Retailer
-
$289 USD
A
Retailer 2
-
$323 USD
View
Final sale: no returns
A
Retailer 3
-
$335 USD
View
A
Retailer 4
-
$340 USD
View
Retailer 5
-
$358 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$358 USD
View
B
Retailer 7
-
$588 USD
View
Retailer 8
-
$662 USD
€630 EUR
View
Price last confirmed 7 days ago
B
Retailer 9
-
$1,101 USD
View
B
Retailer 10
-
$1,152 USD
View
Most Expensive
B
MOH London
LG436047417 · Nov 1
$1,435 USD
£1,130 GBP
View
10 more retailers have this diamond
Prices start from $289 USDSave up to $1,146 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
0.54ct Marquise
$289 USD