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Marquise|Lab Grown|IGI

5.50ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG635409128

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG635409128

Diamond specifications and retailer prices

From HK$6,081 HKD
$775 USD
As of November 2, 2026
Save HK$30,247 HKD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$36,327 HKD at Brilliant Earth · As of November 2, 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG635409128 or 635409128. Listed at 19 retailers as of November 2, 2026, with prices from HK$6,081 to HK$36,327, a HK$30,247 spread on the same certified stone. Brilliant Earth lists it at HK$36,327. 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
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635409128
Dimensions18.27 × 9.30 × 5.63 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.27 mm9.30 mm5.50 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635409128
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 39°Culet: NoneDepth 60.5%

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: HK$36,327 HKD|Low: HK$5,688 HKD|High: HK$64,887 HKD|Avg: HK$15,845 HKD|-44.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 5HK$6,081 HKD
Retailer 12HK$6,614 HKD
Retailer 10HK$6,983 HKD
Retailer 7HK$7,054 HKD
Retailer 2HK$7,890 HKD
Retailer 14HK$8,435 HKD
Retailer 3HK$10,106 HKD
Retailer 17HK$10,741 HKD
Retailer 11HK$10,815 HKD
Retailer 8HK$10,957 HKD
Retailer 16HK$15,535 HKD
Retailer 15HK$16,775 HKD
Retailer 13HK$19,835 HKD
Retailer 6HK$21,882 HKD
Retailer 18HK$23,844 HKD
Retailer 4HK$24,371 HKD
Retailer 9HK$26,197 HKD
Brilliant EarthHK$36,327 HKD

30 data points across 18 retailers

19 retailersHK$6,081 HKD to HK$36,327 HKD

A
Cheapest Retailer
-
HK$6,081 HKD
$775 USD
A
Retailer 2
-
HK$6,614 HKD
$843 USD
View
Retailer 3
-
HK$6,983 HKD
$890 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
HK$7,054 HKD
$899 USD
View
A
Retailer 5
-
HK$7,890 HKD
£792 GBP
View
A
Retailer 6
-
HK$8,435 HKD
$1,075 USD
View
B+
Retailer 7
-
HK$10,106 HKD
$1,288 USD
View
A
Retailer 8
-
HK$10,741 HKD
$1,369 USD
View
A
Retailer 9
-
HK$10,815 HKD
£1,085 GBP
View
A
Retailer 10
-
HK$10,957 HKD
€1,330 EUR
View
B+
Retailer 11
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HK$15,535 HKD
$1,980 USD
View
B+
Retailer 12
-
HK$16,775 HKD
$2,138 USD
View
B+
Retailer 13
-
HK$19,835 HKD
$2,528 USD
View
B+
Retailer 14
-
HK$21,882 HKD
£2,196 GBP
View
B
Retailer 15
-
HK$23,844 HKD
$3,039 USD
View
B
Retailer 16
-
HK$24,371 HKD
$3,106 USD
View
Retailer 17
-
HK$26,197 HKD
£2,629 GBP
View
Price last confirmed 7 days ago
B
Retailer 18
-
HK$30,364 HKD
$3,870 USD
View
Most Expensive
B
Brilliant Earth
21793524A · Nov 2
HK$36,327 HKD
$4,630 USD
View
18 more retailers have this diamond
Prices start from HK$6,081 HKDSave up to HK$30,247 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$6,081 HKD