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Round|Lab Grown|IGI

1.13ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG487198010

Shape and cutting style on the report: Round brilliant

Certificate IGI LG487198010

Diamond specifications and retailer prices

From €508 EUR
As of November 5, 2026
Save €792 EUR (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,261 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.13ct lab-grown round diamond

This 1.13ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487198010 or 487198010. Listed at 12 retailers as of November 4, 2026, with a 156% 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

1.13
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487198010
Dimensions6.70 × 6.67 × 4.10 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
6.70 mm6.67 mm1.13 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487198010
Side View
Table 57.5%Crown 35.7°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.4%

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 5
Current: €1,209 EUR|Low: €508 EUR|High: €3,056 EUR|Avg: €1,257 EUR|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3€508 EUR
Retailer 5€693 EUR
Retailer 8€776 EUR
Retailer 6€805 EUR
Retailer 9€962 EUR
Retailer 1€1,209 EUR
Retailer 7€1,300 EUR
Retailer 4€1,913 EUR
Retailer 2€3,007 EUR

43 data points across 9 retailers

12 retailers€508 EUR to €1,300 EUR

B+
Cheapest Retailer
-
€508 EUR
B
Retailer 2
-
€693 EUR
View
B
Retailer 3
-
€755 EUR
View
B
Retailer 4
-
€776 EUR
View
Final sale: no returns
Retailer 5
-
€805 EUR
View
Price last confirmed 25 days ago
B
Retailer 6
-
€805 EUR
View
B
Retailer 7
-
€962 EUR
View
B
Retailer 8
-
€1,209 EUR
View
B
Retailer 9
-
€1,300 EUR
View
Retailer 10
-
€1,913 EUR
View
Price under review
Most Expensive
NZ Jewellers
1e8697f0-7cac-4a46-b9ce-e5f3c697745c · Nov 5
€2,261 EUR
$2,538 USD
View
Price under review
10 more retailers have this diamond
Prices start from €508 EURSave up to €792 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+
1.13ct Round
€508 EUR