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Radiant|Lab Grown|IGI

1.71ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG739586743

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG739586743

Diamond specifications and retailer prices

From $431 AUD
$303 USD
As of October 27, 2026
Save $3,398 AUD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,829 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.71ct lab-grown radiant diamond

This 1.71ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739586743 or 739586743. Listed at 23 retailers as of October 27, 2026, with prices from $431 to $3,829, a $3,398 spread on the same certified stone. Do Amore Diamonds lists it at $3,829. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle57.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739586743
Dimensions8.49 × 5.87 × 3.92 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.49 mm5.87 mm1.71 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739586743
Side View
Table 67.0%Crown 57.7°Girdle: MediumPavilion 37.8°Culet: NoneDepth 66.8%

Caratlytics Score

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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: $3,829 AUD|Low: $414 AUD|High: $3,829 AUD|Avg: $1,591 AUD
Do Amore Diamonds
Retailer 2
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October 29, 2026
Retailer 19$431 AUD
Retailer 7$483 AUD
Retailer 20$535 AUD
Retailer 10$747 AUD
Retailer 16$754 AUD
Retailer 6$875 AUD
Retailer 4$915 AUD
Retailer 15$1,015 AUD
Retailer 2$1,055 AUD
Retailer 14$1,377 AUD
Retailer 18$1,644 AUD
Retailer 5$1,899 AUD
Retailer 3$2,057 AUD
Retailer 12$2,127 AUD
Retailer 8$2,161 AUD
Retailer 9$2,177 AUD
Retailer 11$2,299 AUD
Retailer 13$2,379 AUD
Retailer 17$3,679 AUD
Do Amore Diamonds$3,829 AUD

44 data points across 20 retailers

23 retailers$431 AUD to $3,829 AUD

A
Cheapest Retailer
-
$431 AUD
$303 USD
A
Retailer 2
-
$483 AUD
$339 USD
View
Final sale: no returns
A
Retailer 3
-
$501 AUD
$352 USD
View
A
Retailer 4
-
$535 AUD
$376 USD
View
A
Retailer 5
-
$535 AUD
$376 USD
View
A
Retailer 6
-
$747 AUD
HK$4,100 HKD
View
A
Retailer 7
-
$754 AUD
$530 USD
View
A
Retailer 8
-
$875 AUD
$615 USD
View
A
Retailer 9
-
$915 AUD
$643 USD
View
A
Retailer 10
-
$1,015 AUD
ZAR 11,520 ZAR
View
A
Retailer 11
-
$1,055 AUD
£584 GBP
View
A
Retailer 12
-
$1,377 AUD
View
A
Retailer 13
-
$1,421 AUD
$998 USD
View
B+
Retailer 14
-
$1,644 AUD
$1,155 USD
View
B+
Retailer 15
-
$1,899 AUD
$1,334 USD
View
B+
Retailer 16
-
$2,057 AUD
$1,445 USD
View
B+
Retailer 17
-
$2,127 AUD
$1,494 USD
View
B+
Retailer 18
-
$2,161 AUD
$1,519 USD
View
B+
Retailer 19
-
$2,177 AUD
SGD 2,067 SGD
View
B+
Retailer 20
-
$2,299 AUD
£1,272 GBP
View
B+
Retailer 21
-
$2,379 AUD
£1,316 GBP
View
Retailer 22
-
$3,679 AUD
$2,585 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-8F0FF4B01 · Oct 29
$3,829 AUD
$2,690 USD
View
22 more retailers have this diamond
Prices start from $431 AUDSave up to $3,398 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 Radiant
$431 AUD