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Marquise|Lab Grown|IGI

1.54ct I SI1 Marquise Lab Grown Diamond

ID • I/SI1 • IGI LG436074733

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436074733

Diamond specifications and retailer prices

From HK$11,690 HKD
$1,490 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: HK$11,690 HKD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.54ct lab-grown marquise diamond

This 1.54ct lab-grown marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436074733 or 436074733. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074733
Dimensions11.05 × 6.14 × 3.90 mm
L/W Ratio1.80
Girdle conditionFaceted
Cert comments
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Top View
11.05 mm6.14 mm1.54 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074733
Side View
Table 58.0%Crown 36.2°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$11,690 HKD|Low: HK$8,748 HKD|High: HK$34,964 HKD|Avg: HK$21,757 HKD|-19.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
June 13, 2026
Retailer 2HK$8,748 HKD
Brilliant EarthHK$11,690 HKD
Retailer 3HK$13,455 HKD
Retailer 4HK$16,641 HKD
Retailer 5HK$18,830 HKD
Retailer 7HK$23,011 HKD
Retailer 6HK$34,645 HKD

29 data points across 7 retailers

1 retailer

B+
Brilliant Earth
8532194A · Oct 31
HK$11,690 HKD
$1,490 USD
View

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B+
1.54ct Marquise
HK$11,690 HKD