CaratHunter
Plans
Marquise|Lab Grown|IGI

5.51ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG695505923

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG695505923

Diamond specifications and retailer prices

From HK$9,482 HKD
£952 GBP
As of October 26, 2026
Save HK$20,971 HKD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$30,454 HKD at Taylor and Hart · As of October 26, 2026
View at Taylor and Hart

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 LG695505923 or 695505923. Listed at 11 retailers as of October 26, 2026, with prices from HK$9,482 to HK$30,454, a HK$20,971 spread on the same certified stone. Taylor and Hart lists it at HK$30,454. 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 angle34.1°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG695505923
Dimensions9.14 × 9.14 × 5.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.14 mm9.14 mm5.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG695505923
Side View
Table 62.0%Crown 34.1°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 59.8%

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 26
Current: HK$18,853 HKD|Low: HK$7,084 HKD|High: HK$107,486 HKD|Avg: HK$26,096 HKD|-4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Taylor and Hart
October 26, 2026
Retailer 7HK$7,084 HKD
Retailer 13HK$8,434 HKD
Retailer 9HK$9,482 HKD
Retailer 10HK$10,121 HKD
Retailer 8HK$13,592 HKD
Retailer 3HK$14,581 HKD
Retailer 2HK$15,079 HKD
Retailer 1HK$18,853 HKD
Retailer 12HK$20,415 HKD
Retailer 6HK$23,937 HKD
Retailer 15HK$24,153 HKD
Retailer 11HK$27,098 HKD
Retailer 14HK$27,123 HKD
Taylor and HartHK$30,454 HKD
Retailer 5HK$45,375 HKD
Retailer 4HK$107,486 HKD

4 data points across 16 retailers

11 retailersHK$9,482 HKD to HK$30,454 HKD

Retailer 1
-
HK$7,540 HKD
$961 USD
Price last confirmed 7 days ago
A
Retailer 2
-
HK$9,482 HKD
£952 GBP
View
A
Retailer 3
-
HK$10,121 HKD
$1,290 USD
View
A
Retailer 4
-
HK$13,592 HKD
£1,364 GBP
View
Retailer 5
-
HK$15,079 HKD
$1,922 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
HK$18,853 HKD
$2,403 USD
View
B+
Retailer 7
-
HK$20,415 HKD
$2,602 USD
View
B+
Retailer 8
-
HK$24,153 HKD
£2,424 GBP
View
B+
Retailer 9
-
HK$27,098 HKD
$3,454 USD
View
B+
Retailer 10
-
HK$27,123 HKD
$3,457 USD
View
Most Expensive
B
Taylor and Hart
6FQ9P7V · Oct 26
HK$30,454 HKD
$3,882 USD
View
10 more retailers have this diamond
Prices start from HK$9,482 HKDSave up to HK$20,971 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$9,482 HKD