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Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG818682574

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818682574

Diamond specifications and retailer prices

From HK$2,001 HKD
$255 USD
As of October 30, 2026
Save HK$8,120 HKD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$10,121 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818682574 or 818682574. Listed at 22 retailers as of October 30, 2026, with prices from HK$2,001 to HK$10,121, a HK$8,120 spread on the same certified stone. Brilliant Earth lists it at HK$10,121. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682574
Dimensions12.04 × 6.09 × 3.80 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.04 mm6.09 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682574
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.4%

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$10,121 HKD|Low: HK$1,938 HKD|High: HK$17,182 HKD|Avg: HK$5,817 HKD|-41.1%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 11HK$2,001 HKD
Retailer 12HK$2,228 HKD
Retailer 7HK$2,322 HKD
Retailer 4HK$2,479 HKD
Retailer 6HK$2,479 HKD
Retailer 2HK$2,899 HKD
Retailer 21HK$3,727 HKD
Retailer 19HK$4,143 HKD
Retailer 20HK$4,262 HKD
Retailer 8HK$4,276 HKD
Retailer 13HK$4,731 HKD
Retailer 18HK$5,147 HKD
Retailer 3HK$5,783 HKD
Retailer 15HK$6,324 HKD
Retailer 9HK$7,744 HKD
Retailer 16HK$7,797 HKD
Retailer 5HK$7,971 HKD
Retailer 14HK$7,983 HKD
Retailer 10HK$8,378 HKD
Retailer 17HK$9,994 HKD
Brilliant EarthHK$10,121 HKD

28 data points across 21 retailers

22 retailersHK$2,001 HKD to HK$10,121 HKD

A
Cheapest Retailer
-
HK$2,001 HKD
$255 USD
A
Retailer 2
-
HK$2,228 HKD
$284 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,322 HKD
$296 USD
View
A
Retailer 4
-
HK$2,479 HKD
$316 USD
View
A
Retailer 5
-
HK$2,479 HKD
$316 USD
View
A
Retailer 6
-
HK$2,899 HKD
£291 GBP
View
A
Retailer 7
-
HK$3,727 HKD
$475 USD
View
A
Retailer 8
-
HK$4,143 HKD
$528 USD
View
A
Retailer 9
-
HK$4,262 HKD
ZAR 8,776 ZAR
View
A
Retailer 10
-
HK$4,276 HKD
$545 USD
View
A
Retailer 11
-
HK$4,731 HKD
£475 GBP
View
A
Retailer 12
-
HK$5,147 HKD
$656 USD
View
B+
Retailer 13
-
HK$5,783 HKD
A$1,134 AUD
View
B+
Retailer 14
-
HK$6,324 HKD
$806 USD
View
B+
Retailer 15
-
HK$7,744 HKD
$987 USD
View
B+
Retailer 16
-
HK$7,797 HKD
A$1,529 AUD
View
B+
Retailer 17
-
HK$7,971 HKD
$1,016 USD
View
B+
Retailer 18
-
HK$7,983 HKD
SGD 1,375 SGD
View
B
Retailer 19
-
HK$8,378 HKD
$1,068 USD
View
B
Retailer 20
-
HK$9,760 HKD
$1,244 USD
View
B
Retailer 21
-
HK$9,994 HKD
£1,003 GBP
View
Most Expensive
B
Brilliant Earth
21636411A · Oct 31
HK$10,121 HKD
$1,290 USD
View
21 more retailers have this diamond
Prices start from HK$2,001 HKDSave up to HK$8,120 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
1.55ct Marquise
HK$2,001 HKD