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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 $321 USD
As of October 30, 2026
Save $1,286 USD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,607 USD 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 $321 to $1,607, a $1,286 spread on the same certified stone. MOH London lists it at $1,607. 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
Color
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: Oct 30
Current: $1,607 USD|Low: $309 USD|High: $1,617 USD|Avg: $784 USD|+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$321 USD
Retailer 2$350 USD
Retailer 3$360 USD
Retailer 8$363 USD
Retailer 15$373 USD
Retailer 12$399 USD
Retailer 16$399 USD
Retailer 5$555 USD
Retailer 14$646 USD
Retailer 9$723 USD
Retailer 6$771 USD
Retailer 10$1,169 USD
Retailer 13$1,281 USD
Retailer 4$1,481 USD
Retailer 7$1,601 USD
MOH London$1,607 USD

22 data points across 16 retailers

12 retailers$321 USD to $1,607 USD

A
Cheapest Retailer
-
$321 USD
A
Retailer 2
-
$350 USD
View
A
Retailer 3
-
$360 USD
View
Final sale: no returns
B+
Retailer 4
-
$373 USD
View
Retailer 5
-
$399 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$399 USD
View
B
Retailer 7
-
$646 USD
View
Retailer 8
-
$723 USD
€689 EUR
View
Price last confirmed 7 days ago
B
Retailer 9
-
$1,169 USD
View
B
Retailer 10
-
$1,281 USD
View
B
Retailer 11
-
$1,481 USD
View
Most Expensive
B
MOH London
LG436047415 · Oct 29
$1,607 USD
£1,265 GBP
View
11 more retailers have this diamond
Prices start from $321 USDSave up to $1,286 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
$321 USD