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Marquise|Lab Grown

0.51ct E SI2 Marquise Lab Grown Diamond

E/SI2 • 27DC3D9EBE

Diamond specifications and retailer prices

From HK$737 HKD
$94 USD
As of October 30, 2026
Save HK$2,189 HKD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$2,926 HKD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included). Listed at 4 retailers as of October 28, 2026, with prices from HK$737 to HK$2,926, a HK$2,189 spread on the same certified stone. NZ Jewellers lists it at HK$2,926. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
Certificate27DC3D9EBE
Dimensions4.24 × 8.25 × 2.59 mm
L/W Ratio1.95
Top View
4.24 mm8.25 mm0.51 ctE / SI2
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
Certificate27DC3D9EBE
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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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$2,926 HKD|Low: HK$706 HKD|High: HK$2,926 HKD|Avg: HK$1,278 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2HK$737 HKD
Retailer 3HK$847 HKD
Retailer 4HK$965 HKD
NZ JewellersHK$2,926 HKD

5 data points across 4 retailers

4 retailersHK$737 HKD to HK$2,926 HKD

B+
Cheapest Retailer
-
HK$737 HKD
$94 USD
B+
Retailer 2
-
HK$847 HKD
$108 USD
View
B+
Retailer 3
-
HK$965 HKD
$123 USD
View
Most Expensive
C
NZ Jewellers
d803de67-22f3-4c0a-b613-69cbde0fc99f · Oct 28
HK$2,926 HKD
$373 USD
View
3 more retailers have this diamond
Prices start from HK$737 HKDSave up to HK$2,189 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.

B+
0.51ct Marquise
HK$737 HKD