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Round|Lab Grown|IGI

1.71ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG464198225

Shape and cutting style on the report: Round brilliant

Certificate IGI LG464198225

Diamond specifications and retailer prices

From $475 AUD
$334 USD
As of October 29, 2026
Save $3,753 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,228 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.71ct lab-grown round diamond

This 1.71ct 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 LG464198225 or 464198225. Listed at 17 retailers as of October 29, 2026, with prices from $475 to $4,228, a $3,753 spread on the same certified stone. Do Amore Diamonds lists it at $4,228. 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

1.71
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG464198225
Dimensions7.65 × 7.70 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa.
Top View
7.65 mm7.70 mm1.71 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG464198225
Side View
Table 57.5%Crown 35.4°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

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 29
Current: $4,228 AUD|Low: $475 AUD|High: $4,228 AUD|Avg: $1,463 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 16$475 AUD
Retailer 14$552 AUD
Retailer 4$589 AUD
Retailer 13$589 AUD
Retailer 10$626 AUD
Retailer 12$698 AUD
Retailer 17$709 AUD
Retailer 15$1,073 AUD
Retailer 8$1,103 AUD
Retailer 2$1,105 AUD
Retailer 9$1,224 AUD
Retailer 5$1,730 AUD
Retailer 7$1,928 AUD
Retailer 3$2,093 AUD
Retailer 6$2,315 AUD
Retailer 11$2,556 AUD
Do Amore Diamonds$4,228 AUD

14 data points across 17 retailers

17 retailers$475 AUD to $4,228 AUD

A
Cheapest Retailer
-
$475 AUD
$334 USD
A
Retailer 2
-
$552 AUD
$388 USD
View
A
Retailer 3
-
$589 AUD
$414 USD
View
A
Retailer 4
-
$589 AUD
$414 USD
View
B+
Retailer 5
-
$626 AUD
$440 USD
View
A
Retailer 6
-
$698 AUD
$490 USD
View
A
Retailer 7
-
$709 AUD
$498 USD
View
A
Retailer 8
-
$1,073 AUD
$754 USD
View
A
Retailer 9
-
$1,103 AUD
$775 USD
View
A
Retailer 10
-
$1,105 AUD
£611 GBP
View
A
Retailer 11
-
$1,224 AUD
$860 USD
View
A
Retailer 12
-
$1,730 AUD
$1,215 USD
View
A
Retailer 13
-
$1,928 AUD
$1,354 USD
View
A
Retailer 14
-
$2,093 AUD
$1,470 USD
View
B+
Retailer 15
-
$2,315 AUD
$1,626 USD
View
B+
Retailer 16
-
$2,556 AUD
£1,414 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C32A20587 · Oct 31
$4,228 AUD
$2,970 USD
View
16 more retailers have this diamond
Prices start from $475 AUDSave up to $3,753 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
1.71ct Round
$475 AUD