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 $560 USD
As of November 5, 2026
Save $875 USD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,495 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 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

1.11
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,333 USD|Low: $560 USD|High: $3,370 USD|Avg: $1,359 USD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$560 USD
Retailer 5$765 USD
Retailer 8$857 USD
Retailer 6$887 USD
Retailer 9$1,065 USD
Retailer 1$1,333 USD
Retailer 7$1,435 USD
Retailer 4$2,110 USD
Retailer 2$3,317 USD

43 data points across 9 retailers

12 retailers$560 USD to $1,435 USD

B+
Cheapest Retailer
-
$560 USD
B
Retailer 2
-
$765 USD
View
B
Retailer 3
-
$832 USD
View
B
Retailer 4
-
$857 USD
View
Final sale: no returns
Retailer 5
-
$887 USD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$887 USD
View
B
Retailer 7
-
$1,065 USD
View
B
Retailer 8
-
$1,333 USD
View
B
Retailer 9
-
$1,435 USD
View
Retailer 10
-
$2,110 USD
View
Price under review
Most Expensive
NZ Jewellers
c407b54e-ec59-48e2-a820-a37260498451 · Nov 5
$2,495 USD
View
Price under review
10 more retailers have this diamond
Prices start from $560 USDSave up to $875 USD

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
$560 USD