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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 $996 NZD
As of November 5, 2026
Save $1,557 NZD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,438 NZD 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
Colour
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: Nov 5
Current: $2,371 NZD|Low: $996 NZD|High: $5,995 NZD|Avg: $2,417 NZD|-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$996 NZD
Retailer 5$1,361 NZD
Retailer 8$1,525 NZD
Retailer 6$1,578 NZD
Retailer 9$1,895 NZD
Retailer 1$2,371 NZD
Retailer 7$2,553 NZD
Retailer 4$3,753 NZD
Retailer 2$5,901 NZD

43 data points across 9 retailers

12 retailers$996 NZD to $2,553 NZD

B+
Cheapest Retailer
-
$996 NZD
B
Retailer 2
-
$1,361 NZD
View
B
Retailer 3
-
$1,480 NZD
View
B
Retailer 4
-
$1,525 NZD
View
Final sale: no returns
Retailer 5
-
$1,578 NZD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$1,578 NZD
View
B
Retailer 7
-
$1,895 NZD
View
B
Retailer 8
-
$2,371 NZD
View
B
Retailer 9
-
$2,553 NZD
View
Retailer 10
-
$3,753 NZD
View
Price under review
Most Expensive
NZ Jewellers
c407b54e-ec59-48e2-a820-a37260498451 · Nov 5
$4,438 NZD
$2,495 USD
View
Price under review
10 more retailers have this diamond
Prices start from $996 NZDSave up to $1,557 NZD

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
$996 NZD