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2.18ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG500151134

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500151134

Diamond specifications and retailer prices

From $3,385 NZD
As of November 5, 2026
Save $7,802 NZD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,188 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 2.18ct lab-grown round diamond

This 2.18ct lab-grown round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500151134 or 500151134. Listed at 9 retailers as of November 5, 2026, with prices from $3,385 to $11,188, a $7,802 spread on the same certified stone. MOH London lists it at $11,188. 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

2.18
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500151134
Dimensions8.39 × 8.36 × 4.99 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
8.39 mm8.36 mm2.18 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500151134
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.6%

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: $11,188 NZD|Low: $3,385 NZD|High: $14,055 NZD|Avg: $6,852 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4$3,385 NZD
Retailer 5$3,928 NZD
Retailer 2$4,225 NZD
Retailer 7$5,070 NZD
Retailer 9$5,132 NZD
Retailer 6$6,153 NZD
Retailer 3$6,450 NZD
MOH London$11,188 NZD
Retailer 8$14,055 NZD

19 data points across 9 retailers

9 retailers$3,385 NZD to $11,188 NZD

A
Cheapest Retailer
-
$3,385 NZD
A
Retailer 2
-
$3,684 NZD
View
Retailer 3
-
$3,928 NZD
View
Price last confirmed 26 days ago
B+
Retailer 4
-
$3,928 NZD
View
B+
Retailer 5
-
$4,225 NZD
View
B
Retailer 6
-
$6,153 NZD
View
B
Retailer 7
-
$6,450 NZD
View
B
Retailer 8
-
$7,363 NZD
View
Most Expensive
B
MOH London
LG500151134 · Nov 5
$11,188 NZD
£4,952 GBP
View
8 more retailers have this diamond
Prices start from $3,385 NZDSave up to $7,802 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
2.18ct Round
$3,385 NZD