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Round|Lab Grown|IGI

1.74ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG528233778

Shape and cutting style on the report: Round brilliant

Certificate IGI LG528233778

Diamond specifications and retailer prices

From $483 AUD
$339 USD
As of October 29, 2026
Save $3,802 AUD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,285 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.74ct lab-grown round diamond

This 1.74ct 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 LG528233778 or 528233778. Listed at 19 retailers as of October 29, 2026, with prices from $483 to $4,285, a $3,802 spread on the same certified stone. Do Amore Diamonds lists it at $4,285. 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

1.74
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528233778
Dimensions7.71 × 7.79 × 4.75 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
7.71 mm7.79 mm1.74 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528233778
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,285 AUD|Low: $483 AUD|High: $4,285 AUD|Avg: $1,472 AUD
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 30, 2026
Retailer 19$483 AUD
Retailer 17$561 AUD
Retailer 5$599 AUD
Retailer 15$599 AUD
Retailer 13$634 AUD
Retailer 14$712 AUD
Retailer 3$732 AUD
Retailer 18$1,083 AUD
Retailer 7$1,096 AUD
Retailer 12$1,122 AUD
Retailer 9$1,123 AUD
Retailer 2$1,153 AUD
Retailer 11$1,237 AUD
Retailer 6$1,757 AUD
Retailer 8$1,962 AUD
Retailer 4$2,127 AUD
Retailer 10$2,348 AUD
Retailer 16$2,587 AUD
Do Amore Diamonds$4,285 AUD

11 data points across 19 retailers

19 retailers$483 AUD to $4,285 AUD

A
Cheapest Retailer
-
$483 AUD
$339 USD
A
Retailer 2
-
$561 AUD
$394 USD
View
A
Retailer 3
-
$599 AUD
$421 USD
View
A
Retailer 4
-
$599 AUD
$421 USD
View
B+
Retailer 5
-
$634 AUD
$445 USD
View
A
Retailer 6
-
$712 AUD
$500 USD
View
A
Retailer 7
-
$732 AUD
$514 USD
View
A
Retailer 8
-
$1,083 AUD
$761 USD
View
Retailer 9
-
$1,096 AUD
$770 USD
View
Price last confirmed 10 days ago
A
Retailer 10
-
$1,122 AUD
£621 GBP
View
A
Retailer 11
-
$1,123 AUD
$789 USD
View
A
Retailer 12
-
$1,153 AUD
$810 USD
View
A
Retailer 13
-
$1,237 AUD
$869 USD
View
A
Retailer 14
-
$1,757 AUD
$1,234 USD
View
A
Retailer 15
-
$1,962 AUD
$1,378 USD
View
A
Retailer 16
-
$2,127 AUD
$1,494 USD
View
B+
Retailer 17
-
$2,348 AUD
$1,649 USD
View
B+
Retailer 18
-
$2,587 AUD
£1,431 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B05EBA49C · Oct 31
$4,285 AUD
$3,010 USD
View
18 more retailers have this diamond
Prices start from $483 AUDSave up to $3,802 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
1.74ct Round
$483 AUD