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1.79ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG500151327

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500151327

Diamond specifications and retailer prices

From $1,973 NZD
As of November 5, 2026
Save $5,361 NZD (73%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,333 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.79ct lab-grown round diamond

This 1.79ct lab-grown round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500151327 or 500151327. Listed at 9 retailers as of November 5, 2026, with prices from $1,973 to $7,333, a $5,361 spread on the same certified stone. MOH London lists it at $7,333. 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

1.79
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500151327
Dimensions7.74 × 7.79 × 4.77 mm
L/W Ratio1.01
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
7.74 mm7.79 mm1.79 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500151327
Side View
Table 58.5%Crown 33.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.4%

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: $7,333 NZD|Low: $1,973 NZD|High: $7,442 NZD|Avg: $3,987 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$1,973 NZD
Retailer 4$2,288 NZD
Retailer 2$2,597 NZD
Retailer 7$3,296 NZD
Retailer 5$3,640 NZD
Retailer 6$4,643 NZD
MOH London$7,333 NZD

14 data points across 7 retailers

9 retailers$1,973 NZD to $7,333 NZD

A
Cheapest Retailer
-
$1,973 NZD
A
Retailer 2
-
$2,147 NZD
View
A
Retailer 3
-
$2,288 NZD
View
Retailer 4
-
$2,289 NZD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
$2,597 NZD
View
B+
Retailer 6
-
$3,640 NZD
View
B
Retailer 7
-
$4,289 NZD
View
B
Retailer 8
-
$4,643 NZD
View
Most Expensive
B
MOH London
LG500151327 · Nov 5
$7,333 NZD
£3,246 GBP
View
8 more retailers have this diamond
Prices start from $1,973 NZDSave up to $5,361 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
1.79ct Round
$1,973 NZD