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Round|Lab Grown|IGI

1.72ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG12023004

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12023004

Diamond specifications and retailer prices

From $883 CAD
$631 USD
As of October 28, 2026
Save $1,458 CAD (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,341 CAD at MOH London · As of October 26, 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 LG12023004 or 12023004. Listed at 10 retailers as of October 26, 2026, with prices from $883 to $2,341, a $1,458 spread on the same certified stone. MOH London lists it at $2,341. 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
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12023004
Dimensions7.71 × 7.69 × 4.75 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
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Top View
7.71 mm7.69 mm1.72 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12023004
Side View
Table 58.5%Crown 35.5°Girdle: THN-UNDPavilion 41.2°Culet: NoneDepth 61.7%

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 28
Current: $2,341 CAD|Low: $424 CAD|High: $2,350 CAD|Avg: $1,191 CAD|+25.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6$424 CAD
Retailer 8$871 CAD
Retailer 4$883 CAD
Retailer 2$1,072 CAD
Retailer 5$1,224 CAD
Retailer 3$1,590 CAD
Retailer 7$1,945 CAD
MOH London$2,341 CAD

31 data points across 8 retailers

10 retailers$883 CAD to $2,341 CAD

Retailer 1
-
$342 CAD
$244 USD
Price last confirmed 37 days ago
Retailer 2
-
$396 CAD
$283 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$418 CAD
$299 USD
View
Price last confirmed 38 days ago
B+
Retailer 4
-
$883 CAD
$631 USD
View
B+
Retailer 5
-
$1,072 CAD
£603 GBP
View
B
Retailer 6
-
$1,224 CAD
$875 USD
View
Retailer 7
-
$1,503 CAD
$1,074 USD
View
Price last confirmed 38 days ago
B
Retailer 8
-
$1,590 CAD
$1,136 USD
View
B
Retailer 9
-
$1,945 CAD
$1,390 USD
View
Most Expensive
C
MOH London
LG12023004 · Oct 26
$2,341 CAD
£1,317 GBP
View
9 more retailers have this diamond
Prices start from $883 CADSave up to $1,458 CAD

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
$883 CAD