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Marquise|Lab Grown|IGI

1.55ct K SI1 Marquise Lab Grown Diamond

EX • K/SI1 • IGI LG436072673

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436072673

Diamond specifications and retailer prices

From HK$7,367 HKD
As of November 6, 2026
Save HK$21,548 HKD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$28,915 HKD at MOH London · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436072673 or 436072673. Listed at 9 retailers as of November 5, 2026, with prices from HK$7,367 to HK$28,915, a HK$21,548 spread on the same certified stone. MOH London lists it at HK$28,915. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436072673
Dimensions11.27 × 6.26 × 3.85 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
11.27 mm6.26 mm1.55 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436072673
Side View
Table 61.5%Crown 34°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 61.5%

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 6
Current: HK$28,915 HKD|Low: HK$7,077 HKD|High: HK$29,383 HKD|Avg: HK$15,216 HKD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4HK$7,367 HKD
Retailer 5HK$8,551 HKD
Retailer 8HK$9,342 HKD
Retailer 2HK$9,914 HKD
Retailer 7HK$12,595 HKD
Retailer 6HK$13,684 HKD
Retailer 3HK$18,426 HKD
Retailer 9HK$24,468 HKD
MOH LondonHK$28,915 HKD

19 data points across 9 retailers

9 retailersHK$7,367 HKD to HK$28,915 HKD

A
Cheapest Retailer
-
HK$7,367 HKD
A
Retailer 2
-
HK$8,018 HKD
View
Retailer 3
-
HK$8,551 HKD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
HK$8,551 HKD
View
B+
Retailer 5
-
HK$9,914 HKD
View
B+
Retailer 6
-
HK$13,684 HKD
View
B
Retailer 7
-
HK$18,426 HKD
View
B
Retailer 8
-
HK$24,037 HKD
View
Most Expensive
B
MOH London
LG436072673 · Nov 5
HK$28,915 HKD
£2,905 GBP
View
8 more retailers have this diamond
Prices start from HK$7,367 HKDSave up to HK$21,548 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$7,367 HKD