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Round|Lab Grown|IGI

1.73ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG528234086

Shape and cutting style on the report: Round brilliant

Certificate IGI LG528234086

Diamond specifications and retailer prices

From $481 AUD
$338 USD
As of November 1, 2026
Save $3,790 AUD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,271 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG528234086 or 528234086. Listed at 18 retailers as of October 31, 2026, with prices from $481 to $4,271, a $3,790 spread on the same certified stone. Do Amore Diamonds lists it at $4,271. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528234086
Dimensions7.67 × 7.72 × 4.80 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.67 mm7.72 mm1.73 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528234086
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.3%

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: Nov 1
Current: $4,271 AUD|Low: $481 AUD|High: $4,271 AUD|Avg: $1,458 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
November 1, 2026
Retailer 17$481 AUD
Retailer 15$558 AUD
Retailer 4$596 AUD
Retailer 14$596 AUD
Retailer 13$629 AUD
Retailer 18$725 AUD
Retailer 11$811 AUD
Retailer 16$1,079 AUD
Retailer 2$1,113 AUD
Retailer 9$1,116 AUD
Retailer 10$1,233 AUD
Retailer 12$1,324 AUD
Retailer 5$1,748 AUD
Retailer 8$1,950 AUD
Retailer 3$2,115 AUD
Retailer 6$2,337 AUD
Retailer 7$2,584 AUD
Do Amore Diamonds$4,271 AUD

14 data points across 18 retailers

18 retailers$481 AUD to $4,271 AUD

A
Cheapest Retailer
-
$481 AUD
$338 USD
A
Retailer 2
-
$558 AUD
$392 USD
View
Retailer 3
-
$596 AUD
$419 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$596 AUD
$419 USD
View
B+
Retailer 5
-
$629 AUD
$442 USD
View
A
Retailer 6
-
$725 AUD
$509 USD
View
A
Retailer 7
-
$811 AUD
$570 USD
View
A
Retailer 8
-
$1,079 AUD
$758 USD
View
A
Retailer 9
-
$1,113 AUD
£616 GBP
View
A
Retailer 10
-
$1,116 AUD
$784 USD
View
A
Retailer 11
-
$1,233 AUD
$866 USD
View
A
Retailer 12
-
$1,324 AUD
$930 USD
View
A
Retailer 13
-
$1,748 AUD
$1,228 USD
View
A
Retailer 14
-
$1,950 AUD
$1,370 USD
View
A
Retailer 15
-
$2,115 AUD
$1,486 USD
View
B+
Retailer 16
-
$2,337 AUD
$1,642 USD
View
B+
Retailer 17
-
$2,584 AUD
£1,429 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D15A711C1 · Oct 31
$4,271 AUD
$3,000 USD
View
17 more retailers have this diamond
Prices start from $481 AUDSave up to $3,790 AUD

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
$481 AUD