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1.73ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG847655692

Shape and cutting style on the report: Round brilliant

Certificate IGI LG847655692

Diamond specifications and retailer prices

From $836 NZD
€447 EUR
As of October 27, 2026
Save $1,147 NZD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,983 NZD at MOH London · As of October 25, 2026
View at MOH London

About this 1.73ct lab-grown round diamond

This 1.73ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG847655692 or 847655692. Listed at 7 retailers as of October 25, 2026, with prices from $836 to $1,983, a $1,147 spread on the same certified stone. MOH London lists it at $1,983. 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

1.73
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847655692
Dimensions7.80 × 7.75 × 4.70 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.80 mm7.75 mm1.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847655692
Side View
Table 56.0%Crown 33.3°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
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: Oct 27
Current: $1,983 NZD|Low: $828 NZD|High: $1,992 NZD|Avg: $1,186 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 28, 2026
Retailer 3$836 NZD
Retailer 6$842 NZD
Retailer 4$873 NZD
Retailer 2$981 NZD
Retailer 5$1,095 NZD
Retailer 7$1,496 NZD
MOH London$1,983 NZD

8 data points across 7 retailers

7 retailers$836 NZD to $1,983 NZD

A
Cheapest Retailer
-
$836 NZD
€447 EUR
B+
Retailer 2
-
$842 NZD
$473 USD
View
A
Retailer 3
-
$873 NZD
£386 GBP
View
A
Retailer 4
-
$981 NZD
$551 USD
View
B+
Retailer 5
-
$1,095 NZD
$615 USD
View
B
Retailer 6
-
$1,496 NZD
$840 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG847655692 · Oct 25
$1,983 NZD
£877 GBP
View
6 more retailers have this diamond
Prices start from $836 NZDSave up to $1,147 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
1.73ct Round
$836 NZD