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Marquise|Lab Grown|IGI

1.55ct I SI1 Marquise Lab Grown Diamond

ID • I/SI1 • IGI LG436046738

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436046738

Diamond specifications and retailer prices

From HK$7,297 HKD
$930 USD
As of November 2, 2026
Save HK$31,834 HKD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$39,131 HKD at MOH London · As of November 1, 2026
View at MOH London

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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046738 or 436046738. Listed at 12 retailers as of November 1, 2026, with prices from HK$7,297 to HK$39,131, a HK$31,834 spread on the same certified stone. MOH London lists it at HK$39,131. 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

1.55
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046738
Dimensions11.23 × 6.17 × 3.90 mm
L/W Ratio1.82
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
11.23 mm6.17 mm1.55 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436046738
Side View
Table 58.5%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.2%

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$39,131 HKD|Low: HK$7,297 HKD|High: HK$39,599 HKD|Avg: HK$18,181 HKD
MOH London
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
November 2, 2026
Retailer 8HK$7,297 HKD
Retailer 9HK$10,498 HKD
Retailer 13HK$11,424 HKD
Retailer 15HK$11,753 HKD
Retailer 10HK$12,177 HKD
Retailer 14HK$12,177 HKD
Retailer 3HK$13,535 HKD
Retailer 7HK$15,316 HKD
Retailer 5HK$16,736 HKD
Retailer 2HK$17,388 HKD
Retailer 11HK$19,246 HKD
Retailer 4HK$22,699 HKD
Retailer 12HK$22,824 HKD
Retailer 6HK$34,866 HKD
MOH LondonHK$39,131 HKD

39 data points across 15 retailers

12 retailersHK$7,297 HKD to HK$39,131 HKD

A
Cheapest Retailer
-
HK$7,297 HKD
$930 USD
B+
Retailer 2
-
HK$10,498 HKD
$1,338 USD
View
B+
Retailer 3
-
HK$11,424 HKD
$1,456 USD
View
B+
Retailer 4
-
HK$11,753 HKD
$1,498 USD
View
Final sale: no returns
Retailer 5
-
HK$12,177 HKD
$1,552 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
HK$12,177 HKD
$1,552 USD
View
B+
Retailer 7
-
HK$13,535 HKD
$1,725 USD
View
B
Retailer 8
-
HK$17,388 HKD
£1,745 GBP
View
B
Retailer 9
-
HK$19,246 HKD
$2,453 USD
View
B
Retailer 10
-
HK$22,699 HKD
$2,893 USD
View
B
Retailer 11
-
HK$22,824 HKD
$2,909 USD
View
Most Expensive
B
MOH London
LG436046738 · Nov 1
HK$39,131 HKD
£3,927 GBP
View
11 more retailers have this diamond
Prices start from HK$7,297 HKDSave up to HK$31,834 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$7,297 HKD