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Round|Lab Grown|IGI

1.80ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG451056263

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451056263

Diamond specifications and retailer prices

From HK$8,747 HKD
As of November 5, 2026
Save HK$23,773 HKD (73%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$32,521 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.8ct lab-grown round diamond

This 1.8ct 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 LG451056263 or 451056263. Listed at 9 retailers as of November 5, 2026, with prices from HK$8,747 to HK$32,521, a HK$23,773 spread on the same certified stone. MOH London lists it at HK$32,521. 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

1.80
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056263
Dimensions7.74 × 7.79 × 4.84 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.74 mm7.79 mm1.80 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056263
Side View
Table 55.0%Crown 35.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.3%

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$32,521 HKD|Low: HK$8,747 HKD|High: HK$33,039 HKD|Avg: HK$17,887 HKD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3HK$8,747 HKD
Retailer 4HK$10,144 HKD
Retailer 2HK$11,493 HKD
Retailer 7HK$14,608 HKD
Retailer 5HK$16,138 HKD
Retailer 6HK$20,586 HKD
MOH LondonHK$32,521 HKD

15 data points across 7 retailers

9 retailersHK$8,747 HKD to HK$32,521 HKD

A
Cheapest Retailer
-
HK$8,747 HKD
A
Retailer 2
-
HK$9,516 HKD
View
A
Retailer 3
-
HK$10,144 HKD
View
Retailer 4
-
HK$10,144 HKD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
HK$11,493 HKD
View
B+
Retailer 6
-
HK$16,138 HKD
View
B
Retailer 7
-
HK$19,025 HKD
View
B
Retailer 8
-
HK$20,586 HKD
View
Most Expensive
B
MOH London
LG451056263 · Nov 5
HK$32,521 HKD
£3,264 GBP
View
8 more retailers have this diamond
Prices start from HK$8,747 HKDSave up to HK$23,773 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
1.80ct Round
HK$8,747 HKD