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Round|Lab Grown|IGI

1.73ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG564351777

Shape and cutting style on the report: Round brilliant

Certificate IGI LG564351777

Diamond specifications and retailer prices

From $430 AUD
$301 USD
As of November 2, 2026
Save $2,738 AUD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,168 AUD at Do Amore Diamonds · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG564351777 or 564351777. Listed at 17 retailers as of November 2, 2026, with prices from $430 to $3,168, a $2,738 spread on the same certified stone. Do Amore Diamonds lists it at $3,168. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG564351777
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 mm1.73 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG564351777
Side View
Table 57.0%Crown 35.6°Girdle: MediumPavilion 41°Culet: NoneDepth 62.2%

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 2
Current: $3,168 AUD|Low: $381 AUD|High: $3,268 AUD|Avg: $1,089 AUD|-3.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 6$381 AUD
Retailer 7$422 AUD
Retailer 4$430 AUD
Retailer 15$551 AUD
Retailer 3$603 AUD
Retailer 13$604 AUD
Retailer 12$782 AUD
Retailer 8$859 AUD
Retailer 10$892 AUD
Retailer 2$978 AUD
Retailer 14$1,199 AUD
Retailer 11$1,320 AUD
Retailer 5$1,751 AUD
Retailer 9$1,810 AUD
Do Amore Diamonds$3,168 AUD

40 data points across 15 retailers

17 retailers$430 AUD to $3,168 AUD

Retailer 1
-
$340 AUD
$238 USD
Price last confirmed 34 days ago
Retailer 2
-
$394 AUD
$276 USD
View
Price last confirmed 41 days ago
Retailer 3
-
$417 AUD
$292 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$430 AUD
$301 USD
View
B+
Retailer 5
-
$551 AUD
$386 USD
View
A
Retailer 6
-
$603 AUD
HK$3,300 HKD
View
A
Retailer 7
-
$604 AUD
$423 USD
View
A
Retailer 8
-
$782 AUD
$548 USD
View
A
Retailer 9
-
$802 AUD
$562 USD
View
A
Retailer 10
-
$859 AUD
£474 GBP
View
B+
Retailer 11
-
$978 AUD
€653 EUR
View
Retailer 12
-
$1,199 AUD
$840 USD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
$1,320 AUD
$925 USD
View
Retailer 14
-
$1,497 AUD
$1,049 USD
View
Price last confirmed 33 days ago
B
Retailer 15
-
$1,751 AUD
SGD 1,658 SGD
View
B
Retailer 16
-
$1,810 AUD
£999 GBP
View
Most Expensive
B
Do Amore Diamonds
27-480D56BE2 · Nov 2
$3,168 AUD
$2,220 USD
View
16 more retailers have this diamond
Prices start from $430 AUDSave up to $2,738 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
$430 AUD