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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 €300 EUR
As of November 6, 2026
Save €539 EUR (64%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €840 EUR 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 €300 to €840, a €539 spread on the same certified stone. MOH London lists it at €840. 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: €840 EUR|Low: €163 EUR|High: €852 EUR|Avg: €445 EUR|-1.3%
MOH London
Retailer 2
Retailer 3
November 4, 2026
Retailer 3€163 EUR
Retailer 2€300 EUR
MOH London€840 EUR

9 data points across 3 retailers

3 retailers€300 EUR to €840 EUR

Retailer 1
-
€163 EUR
Price last confirmed 12 days ago
B
Retailer 2
-
€300 EUR
View
Most Expensive
B+
MOH London
292670494 · Nov 4
€840 EUR
£742 GBP
View
2 more retailers have this diamond
Prices start from €300 EURSave up to €539 EUR

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
€300 EUR