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Marquise|Lab Grown|UNKNOWN

0.50ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • UNKNOWN 50218514

Certificate UNKNOWN 50218514

Diamond specifications and retailer prices

From HK$1,287 HKD
$164 USD
As of November 2, 2026
Save HK$3,837 HKD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$5,124 HKD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 0.5ct lab-grown marquise diamond

This 0.5ct 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 UNKNOWN 50218514. Listed at 5 retailers as of October 31, 2026, with prices from HK$1,287 to HK$5,124, a HK$3,837 spread on the same certified stone. NZ Jewellers lists it at HK$5,124. 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

0.50
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 50218514
Dimensions8.03 × 4.23 × 2.64 mm
L/W Ratio1.90
Top View
8.03 mm4.23 mm0.50 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 50218514
Side View
Table 59.4%CrownGirdlePavilionCuletDepth 62.5%

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$5,124 HKD|Low: HK$1,232 HKD|High: HK$5,124 HKD|Avg: HK$2,373 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2HK$1,287 HKD
Retailer 5HK$1,491 HKD
Retailer 3HK$1,593 HKD
Retailer 4HK$2,872 HKD
NZ JewellersHK$5,124 HKD

6 data points across 5 retailers

5 retailersHK$1,287 HKD to HK$5,124 HKD

A
Cheapest Retailer
-
HK$1,287 HKD
$164 USD
B+
Retailer 2
-
HK$1,491 HKD
$190 USD
View
B+
Retailer 3
-
HK$1,593 HKD
$203 USD
View
B
Retailer 4
-
HK$2,872 HKD
$366 USD
View
Most Expensive
B
NZ Jewellers
d6215609-5929-4e7a-8e05-e4db627463ff · Oct 31
HK$5,124 HKD
$653 USD
View
4 more retailers have this diamond
Prices start from HK$1,287 HKDSave up to HK$3,837 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
0.50ct Marquise
HK$1,287 HKD