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Round|Lab Grown|IGI

1.30ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG488154720

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488154720

Diamond specifications and retailer prices

From €887 EUR
As of November 5, 2026
Save €1,330 EUR (60%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,489 EUR at MOH London · As of November 3, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488154720 or 488154720. Listed at 12 retailers as of November 4, 2026, with a 150% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.30
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488154720
Dimensions7.00 × 7.02 × 4.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.00 mm7.02 mm1.30 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488154720
Side View
Table 55.0%Crown 35.3°Girdle: MediumPavilion 40.2°Culet: NoneDepth 61.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €3,489 EUR|Low: €887 EUR|High: €3,535 EUR|Avg: €1,550 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4€887 EUR
Retailer 5€905 EUR
Retailer 8€993 EUR
Retailer 6€1,029 EUR
Retailer 9€1,187 EUR
Retailer 2€1,566 EUR
Retailer 7€1,644 EUR
Retailer 3€2,217 EUR
MOH London€3,489 EUR

42 data points across 9 retailers

12 retailers€887 EUR to €2,217 EUR

B
Cheapest Retailer
-
€887 EUR
B
Retailer 2
-
€905 EUR
View
B
Retailer 3
-
€965 EUR
View
B
Retailer 4
-
€993 EUR
View
Final sale: no returns
Retailer 5
-
€1,029 EUR
View
Price last confirmed 26 days ago
B
Retailer 6
-
€1,029 EUR
View
B
Retailer 7
-
€1,187 EUR
View
B
Retailer 8
-
€1,566 EUR
View
B
Retailer 9
-
€1,644 EUR
View
B
Retailer 10
-
€1,928 EUR
View
B
Retailer 11
-
€2,217 EUR
View
Most Expensive
MOH London
LG488154720 · Nov 3
€3,489 EUR
£3,067 GBP
View
Price under review
11 more retailers have this diamond
Prices start from €887 EURSave up to €1,330 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
1.30ct Round
€887 EUR