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1.72ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG520200032

Shape and cutting style on the report: Round brilliant

Certificate IGI LG520200032

Diamond specifications and retailer prices

From $1,101 NZD
£489 GBP
As of October 30, 2026
Save $1,878 NZD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,979 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.72ct lab-grown round diamond

This 1.72ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG520200032 or 520200032. Listed at 7 retailers as of October 29, 2026, with prices from $1,101 to $2,979, a $1,878 spread on the same certified stone. MOH London lists it at $2,979. 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

1.72
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520200032
Dimensions7.70 × 7.66 × 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
7.70 mm7.66 mm1.72 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520200032
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.2%

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: Oct 30
Current: $2,979 NZD|Low: $857 NZD|High: $2,979 NZD|Avg: $1,672 NZD|+24.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3$1,101 NZD
Retailer 5$1,120 NZD
Retailer 2$1,347 NZD
Retailer 6$1,552 NZD
Retailer 4$2,016 NZD
Retailer 7$2,466 NZD
MOH London$2,979 NZD

30 data points across 7 retailers

7 retailers$1,101 NZD to $2,979 NZD

B+
Cheapest Retailer
-
$1,101 NZD
£489 GBP
B+
Retailer 2
-
$1,120 NZD
$631 USD
View
B+
Retailer 3
-
$1,347 NZD
£598 GBP
View
B
Retailer 4
-
$1,552 NZD
$875 USD
View
B
Retailer 5
-
$2,016 NZD
$1,136 USD
View
B
Retailer 6
-
$2,466 NZD
$1,390 USD
View
Most Expensive
C
MOH London
LG520200032 · Oct 29
$2,979 NZD
£1,322 GBP
View
6 more retailers have this diamond
Prices start from $1,101 NZDSave up to $1,878 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+
1.72ct Round
$1,101 NZD