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Marquise|Lab Grown|IGI

0.54ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436047415

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047415

Diamond specifications and retailer prices

From $457 AUD
$321 USD
As of November 2, 2026
Save $1,830 AUD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,287 AUD at MOH London · As of October 29, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047415 or 436047415. Listed at 12 retailers as of October 29, 2026, with prices from $457 to $2,287, a $1,830 spread on the same certified stone. MOH London lists it at $2,287. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047415
Dimensions7.93 × 4.35 × 2.76 mm
L/W Ratio1.82
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.93 mm4.35 mm0.54 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436047415
Side View
Table 62.5%Crown 34.7°Girdle: MED-STKPavilion 42.6°Culet: NoneDepth 63.4%

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 2
Current: $2,287 AUD|Low: $440 AUD|High: $2,302 AUD|Avg: $1,116 AUD|+0.6%
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
Retailer 16
October 30, 2026
Retailer 11$457 AUD
Retailer 2$498 AUD
Retailer 3$512 AUD
Retailer 8$517 AUD
Retailer 15$531 AUD
Retailer 12$568 AUD
Retailer 16$568 AUD
Retailer 5$790 AUD
Retailer 14$920 AUD
Retailer 9$1,030 AUD
Retailer 6$1,098 AUD
Retailer 10$1,664 AUD
Retailer 13$1,824 AUD
Retailer 4$2,108 AUD
Retailer 7$2,280 AUD
MOH London$2,287 AUD

22 data points across 16 retailers

12 retailers$457 AUD to $2,287 AUD

A
Cheapest Retailer
-
$457 AUD
$321 USD
A
Retailer 2
-
$498 AUD
$350 USD
View
A
Retailer 3
-
$512 AUD
$360 USD
View
Final sale: no returns
B+
Retailer 4
-
$531 AUD
$373 USD
View
Retailer 5
-
$568 AUD
$399 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$568 AUD
$399 USD
View
B
Retailer 7
-
$920 AUD
$646 USD
View
Retailer 8
-
$1,030 AUD
€689 EUR
View
Price last confirmed 7 days ago
B
Retailer 9
-
$1,664 AUD
$1,169 USD
View
B
Retailer 10
-
$1,824 AUD
$1,281 USD
View
B
Retailer 11
-
$2,108 AUD
$1,481 USD
View
Most Expensive
B
MOH London
LG436047415 · Oct 29
$2,287 AUD
£1,265 GBP
View
11 more retailers have this diamond
Prices start from $457 AUDSave up to $1,830 AUD

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
$457 AUD