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Marquise|Lab Grown|IGI

0.98ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG776649732

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG776649732

Diamond specifications and retailer prices

From HK$5,570 HKD
$710 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: HK$5,570 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 0.98ct lab-grown marquise diamond

This 0.98ct lab-grown marquise sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG776649732 or 776649732. Listed at a single retailer as of October 30, 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

0.98
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776649732
Dimensions10.40 × 5.05 × 3.27 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Top View
10.40 mm5.05 mm0.98 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776649732
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$5,570 HKD|Low: HK$1,293 HKD|High: HK$5,570 HKD|Avg: HK$3,000 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
April 14, 2026
Retailer 3HK$1,293 HKD
Retailer 5HK$2,283 HKD
Retailer 6HK$2,498 HKD
Retailer 2HK$3,311 HKD
Retailer 4HK$4,922 HKD
Brilliant EarthHK$5,570 HKD

10 data points across 6 retailers

1 retailer

B
Brilliant Earth
17843068A · Oct 30
HK$5,570 HKD
$710 USD
View

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.

B
0.98ct Marquise
HK$5,570 HKD