CaratHunter
Plans
Marquise|Lab Grown|IGI

5.50ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG830675873

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830675873

Diamond specifications and retailer prices

From HK$12,043 HKD
$1,535 USD
As of October 30, 2026
Save HK$32,246 HKD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$50,448 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.5ct lab-grown marquise diamond

This 5.5ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830675873 or 830675873. Listed at 10 retailers as of October 28, 2026, with a 268% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.50
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830675873
Dimensions18.78 × 9.19 × 5.49 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.78 mm9.19 mm5.50 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830675873
Side View
Table 57.0%Crown 30°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 59.7%

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: HK$50,448 HKD|Low: HK$12,043 HKD|High: HK$50,448 HKD|Avg: HK$27,555 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2HK$12,043 HKD
Retailer 3HK$13,229 HKD
Retailer 5HK$14,276 HKD
Retailer 4HK$20,305 HKD
Retailer 6HK$29,274 HKD
Retailer 8HK$29,869 HKD
Retailer 10HK$34,163 HKD
Retailer 7HK$40,374 HKD
Retailer 9HK$44,289 HKD
Brilliant EarthHK$50,448 HKD

41 data points across 10 retailers

10 retailersHK$12,043 HKD to HK$44,289 HKD

B+
Cheapest Retailer
-
HK$12,043 HKD
$1,535 USD
A
Retailer 2
-
HK$13,229 HKD
£1,328 GBP
View
A
Retailer 3
-
HK$14,276 HKD
€1,733 EUR
View
B+
Retailer 4
-
HK$20,305 HKD
$2,588 USD
View
B+
Retailer 5
-
HK$29,274 HKD
£2,938 GBP
View
B
Retailer 6
-
HK$29,869 HKD
$3,807 USD
View
Retailer 7
-
HK$34,163 HKD
A$6,699 AUD
View
Price last confirmed 22 days ago
B
Retailer 8
-
HK$40,374 HKD
$5,146 USD
View
B
Retailer 9
-
HK$44,289 HKD
$5,645 USD
View
Most Expensive
Brilliant Earth
22199715A · Oct 30
HK$50,448 HKD
$6,430 USD
View
Price under review
9 more retailers have this diamond
Prices start from HK$12,043 HKDSave up to HK$32,246 HKD

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
5.50ct Marquise
HK$12,043 HKD