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Marquise|Lab Grown|IGI

5.51ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG841640042

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841640042

Diamond specifications and retailer prices

From HK$10,645 HKD
As of October 30, 2026
Save HK$33,722 HKD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$44,367 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.51ct lab-grown marquise diamond

This 5.51ct 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 LG841640042 or 841640042. Listed at 10 retailers as of October 28, 2026, with prices from HK$10,645 to HK$44,367, a HK$33,722 spread on the same certified stone. Rare Carat lists it at HK$44,367. 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

5.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841640042
Dimensions18.31 × 9.05 × 5.58 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.31 mm9.05 mm5.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841640042
Side View
Table 65.0%Crown 33.7°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 61.7%

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$44,367 HKD|Low: HK$10,645 HKD|High: HK$44,367 HKD|Avg: HK$20,722 HKD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5HK$10,645 HKD
Retailer 9HK$12,004 HKD
Retailer 2HK$13,898 HKD
Retailer 10HK$14,397 HKD
Retailer 4HK$14,606 HKD
Retailer 6HK$20,485 HKD
Retailer 3HK$30,709 HKD
Retailer 8HK$31,389 HKD
Retailer 7HK$33,148 HKD
Rare CaratHK$44,367 HKD

19 data points across 10 retailers

10 retailersHK$10,645 HKD to HK$44,367 HKD

A
Cheapest Retailer
-
HK$10,645 HKD
A
Retailer 2
-
HK$12,004 HKD
$1,530 USD
View
A
Retailer 3
-
HK$13,898 HKD
£1,395 GBP
View
A
Retailer 4
-
HK$14,397 HKD
$1,835 USD
View
A
Retailer 5
-
HK$14,606 HKD
€1,773 EUR
View
B+
Retailer 6
-
HK$20,485 HKD
$2,611 USD
View
B+
Retailer 7
-
HK$30,709 HKD
£3,082 GBP
View
B
Retailer 8
-
HK$31,389 HKD
$4,001 USD
View
B
Retailer 9
-
HK$33,148 HKD
$4,225 USD
View
Most Expensive
B
Rare Carat
KI0426400KF841 · Oct 28
HK$44,367 HKD
$5,655 USD
View
9 more retailers have this diamond
Prices start from HK$10,645 HKDSave up to HK$33,722 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
5.51ct Marquise
HK$10,645 HKD