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Round|Lab Grown|IGI

1.03ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG407948751

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407948751

Diamond specifications and retailer prices

From HK$6,315 HKD
As of November 5, 2026
Save HK$21,084 HKD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$27,399 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407948751 or 407948751. Listed at 10 retailers as of November 5, 2026, with prices from HK$6,315 to HK$27,399, a HK$21,084 spread on the same certified stone. MOH London lists it at HK$27,399. 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

1.03
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407948751
Dimensions6.38 × 6.42 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.38 mm6.42 mm1.03 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407948751
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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$27,399 HKD|Low: HK$6,064 HKD|High: HK$27,838 HKD|Avg: HK$12,632 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5HK$6,315 HKD
Retailer 6HK$7,327 HKD
Retailer 8HK$7,327 HKD
Retailer 3HK$8,708 HKD
Retailer 2HK$10,834 HKD
Retailer 7HK$11,815 HKD
Retailer 4HK$17,432 HKD
MOH LondonHK$27,399 HKD

33 data points across 8 retailers

10 retailersHK$6,315 HKD to HK$27,399 HKD

A
Cheapest Retailer
-
HK$6,315 HKD
A
Retailer 2
-
HK$6,872 HKD
View
B+
Retailer 3
-
HK$7,327 HKD
View
Retailer 4
-
HK$7,327 HKD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
HK$8,708 HKD
View
B+
Retailer 6
-
HK$10,834 HKD
View
B
Retailer 7
-
HK$11,815 HKD
View
B
Retailer 8
-
HK$17,432 HKD
View
B
Retailer 9
-
HK$20,609 HKD
View
Most Expensive
B
MOH London
LG407948751 · Nov 5
HK$27,399 HKD
£2,750 GBP
View
9 more retailers have this diamond
Prices start from HK$6,315 HKDSave up to HK$21,084 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
1.03ct Round
HK$6,315 HKD