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1.17ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • GCAL 292670494

Shape and cutting style on the report: Round brilliant

Certificate GCAL 292670494

Diamond specifications and retailer prices

From HK$2,644 HKD
As of November 6, 2026
Save HK$4,749 HKD (64%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$7,393 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.17ct lab-grown round diamond

This 1.17ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 292670494. Listed at 3 retailers as of November 4, 2026, with prices from HK$2,644 to HK$7,393, a HK$4,749 spread on the same certified stone. MOH London lists it at HK$7,393. 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

1.17
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 292670494
Dimensions6.76 × 6.78 × 4.16 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.76 mm6.78 mm1.17 ctJ / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 292670494
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$7,393 HKD|Low: HK$1,436 HKD|High: HK$7,502 HKD|Avg: HK$3,921 HKD|-1.3%
MOH London
Retailer 2
Retailer 3
November 4, 2026
Retailer 3HK$1,436 HKD
Retailer 2HK$2,644 HKD
MOH LondonHK$7,393 HKD

9 data points across 3 retailers

3 retailersHK$2,644 HKD to HK$7,393 HKD

Retailer 1
-
HK$1,436 HKD
Price last confirmed 12 days ago
B
Retailer 2
-
HK$2,644 HKD
View
Most Expensive
B+
MOH London
292670494 · Nov 4
HK$7,393 HKD
£742 GBP
View
2 more retailers have this diamond
Prices start from HK$2,644 HKDSave up to HK$4,749 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.

B+
1.17ct Round
HK$2,644 HKD