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1.55ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG436073481

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436073481

Diamond specifications and retailer prices

From HK$7,563 HKD
As of November 5, 2026
Save HK$22,118 HKD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$29,681 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round 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 LG436073481 or 436073481. Listed at 10 retailers as of November 5, 2026, with prices from HK$7,563 to HK$29,681, a HK$22,118 spread on the same certified stone. MOH London lists it at HK$29,681. 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
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073481
Dimensions7.48 × 7.51 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.48 mm7.51 mm1.55 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436073481
Side View
Table 60.5%Crown 32°Girdle: UNDPavilion 41.6°Culet: NoneDepth 60.6%

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 5
Current: HK$29,681 HKD|Low: HK$7,265 HKD|High: HK$30,159 HKD|Avg: HK$14,946 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5HK$7,563 HKD
Retailer 6HK$8,771 HKD
Retailer 8HK$8,771 HKD
Retailer 2HK$9,603 HKD
Retailer 3HK$10,160 HKD
Retailer 9HK$12,866 HKD
Retailer 7HK$14,027 HKD
Retailer 4HK$18,907 HKD
Retailer 10HK$25,112 HKD
MOH LondonHK$29,681 HKD

40 data points across 10 retailers

10 retailersHK$7,563 HKD to HK$29,681 HKD

A
Cheapest Retailer
-
HK$7,563 HKD
A
Retailer 2
-
HK$8,230 HKD
View
B+
Retailer 3
-
HK$8,771 HKD
View
Retailer 4
-
HK$8,771 HKD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
HK$9,603 HKD
View
B+
Retailer 6
-
HK$10,160 HKD
View
B
Retailer 7
-
HK$14,027 HKD
View
B
Retailer 8
-
HK$18,907 HKD
View
B
Retailer 9
-
HK$24,665 HKD
View
Most Expensive
B
MOH London
LG436073481 · Nov 5
HK$29,681 HKD
£2,979 GBP
View
9 more retailers have this diamond
Prices start from HK$7,563 HKDSave up to HK$22,118 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 Round
HK$7,563 HKD