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1.12ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG499105209

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499105209

Diamond specifications and retailer prices

From $802 NZD
As of November 5, 2026
Save $2,849 NZD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,651 NZD at MOH London · As of November 3, 2026
View at MOH London

About this 1.12ct lab-grown round diamond

This 1.12ct lab-grown round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499105209 or 499105209. Listed at 10 retailers as of November 3, 2026, with prices from $802 to $3,651, a $2,849 spread on the same certified stone. MOH London lists it at $3,651. 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

1.12
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499105209
Dimensions6.68 × 6.70 × 4.08 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
6.68 mm6.70 mm1.12 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499105209
Side View
Table 58.0%Crown 33.9°GirdlePavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,651 NZD|Low: $770 NZD|High: $3,696 NZD|Avg: $1,801 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$802 NZD
Retailer 6$994 NZD
Retailer 8$994 NZD
Retailer 3$1,245 NZD
Retailer 2$1,375 NZD
Retailer 7$1,560 NZD
Retailer 9$1,738 NZD
Retailer 4$2,672 NZD
MOH London$3,651 NZD

33 data points across 9 retailers

10 retailers$802 NZD to $3,651 NZD

A
Cheapest Retailer
-
$802 NZD
A
Retailer 2
-
$898 NZD
View
A
Retailer 3
-
$994 NZD
View
Retailer 4
-
$994 NZD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$1,245 NZD
View
A
Retailer 6
-
$1,375 NZD
View
B+
Retailer 7
-
$1,560 NZD
View
B
Retailer 8
-
$2,672 NZD
View
B
Retailer 9
-
$3,195 NZD
View
Most Expensive
B
MOH London
LG499105209 · Nov 3
$3,651 NZD
£1,616 GBP
View
9 more retailers have this diamond
Prices start from $802 NZDSave up to $2,849 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.

A
1.12ct Round
$802 NZD