Round|Lab Grown|IGI

1.11ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG508156233

Shape and cutting style on the report: Round brilliant

Certificate IGI LG508156233

Diamond specifications and retailer prices

From €501 EUR
$560 USD
As of October 31, 2026
Save €783 EUR (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,889 EUR at Friendly Diamonds · As of October 30, 2026
View at Friendly Diamonds

About this 1.11ct lab-grown round diamond

This 1.11ct 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 LG508156233 or 508156233. Listed at 12 retailers as of October 31, 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

1.11
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156233
Dimensions6.67 × 6.64 × 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
6.67 mm6.64 mm1.11 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508156233
Side View
Table 58.0%Crown 35.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.5%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: €1,889 EUR|Low: €501 EUR|High: €3,017 EUR|Avg: €1,203 EUR
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3€501 EUR
Retailer 5€685 EUR
Retailer 8€767 EUR
Retailer 6€794 EUR
Retailer 9€953 EUR
Retailer 2€1,203 EUR
Retailer 7€1,284 EUR
Friendly Diamonds€1,889 EUR
Retailer 4€2,993 EUR

40 data points across 9 retailers

12 retailers€501 EUR to €1,284 EUR

B+
Cheapest Retailer
-
€501 EUR
$560 USD
B
Retailer 2
-
€685 EUR
$765 USD
View
B
Retailer 3
-
€745 EUR
$832 USD
View
B
Retailer 4
-
€767 EUR
$857 USD
View
Final sale: no returns
Retailer 5
-
€794 EUR
$887 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
€794 EUR
$887 USD
View
B
Retailer 7
-
€953 EUR
$1,065 USD
View
B
Retailer 8
-
€1,203 EUR
£1,058 GBP
View
B
Retailer 9
-
€1,284 EUR
$1,435 USD
View
Most Expensive
Friendly Diamonds
3176554 · Oct 30
€1,889 EUR
$2,110 USD
View
Price under review
9 more retailers have this diamond
Prices start from €501 EURSave up to €783 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+
1.11ct Round
€501 EUR