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Round|Lab Grown|IGI

1.05ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • IGI LG474116583

Shape and cutting style on the report: Round brilliant

Certificate IGI LG474116583

Diamond specifications and retailer prices

From €552 EUR
As of November 5, 2026
Save €663 EUR (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,846 EUR at Friendly Diamonds · As of November 4, 2026
View at Friendly Diamonds

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474116583 or 474116583. Listed at 11 retailers as of November 4, 2026, with a 120% 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

1.05
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474116583
Dimensions6.58 × 6.54 × 3.91 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.58 mm6.54 mm1.05 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474116583
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.5%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: €1,846 EUR|Low: €552 EUR|High: €2,982 EUR|Avg: €1,169 EUR
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5€552 EUR
Retailer 4€646 EUR
Retailer 8€723 EUR
Retailer 6€749 EUR
Retailer 2€1,180 EUR
Retailer 7€1,215 EUR
Friendly Diamonds€1,846 EUR
Retailer 3€2,947 EUR

41 data points across 8 retailers

11 retailers€552 EUR to €1,215 EUR

B
Cheapest Retailer
-
€552 EUR
B
Retailer 2
-
€646 EUR
View
B
Retailer 3
-
€703 EUR
View
B
Retailer 4
-
€723 EUR
View
Final sale: no returns
B
Retailer 5
-
€749 EUR
View
Retailer 6
-
€749 EUR
View
Price last confirmed 25 days ago
B
Retailer 7
-
€1,180 EUR
View
B
Retailer 8
-
€1,215 EUR
View
Most Expensive
Friendly Diamonds
1589662 · Nov 4
€1,846 EUR
$2,072 USD
View
Price under review
8 more retailers have this diamond
Prices start from €552 EURSave up to €663 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
1.05ct Round
€552 EUR