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 $303 USD
As of October 27, 2026
Save $2,387 USD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,690 USD 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 $303 to $2,690, a $2,387 spread on the same certified stone. Do Amore Diamonds lists it at $2,690. 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
Color
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: $2,690 USD|Low: $291 USD|High: $2,690 USD|Avg: $1,118 USD
Do Amore Diamonds
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October 30, 2026
Retailer 19$303 USD
Retailer 7$339 USD
Retailer 20$376 USD
Retailer 10$525 USD
Retailer 16$530 USD
Retailer 6$615 USD
Retailer 4$643 USD
Retailer 15$713 USD
Retailer 2$744 USD
Retailer 14$967 USD
Retailer 18$1,155 USD
Retailer 5$1,334 USD
Retailer 3$1,445 USD
Retailer 12$1,494 USD
Retailer 8$1,519 USD
Retailer 9$1,530 USD
Retailer 11$1,615 USD
Retailer 13$1,671 USD
Retailer 17$2,585 USD
Do Amore Diamonds$2,690 USD

45 data points across 20 retailers

23 retailers$303 USD to $2,690 USD

A
Cheapest Retailer
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$303 USD
A
Retailer 2
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$339 USD
View
Final sale: no returns
A
Retailer 3
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$352 USD
View
A
Retailer 4
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$376 USD
View
A
Retailer 5
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$376 USD
View
A
Retailer 6
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$525 USD
HK$4,100 HKD
View
A
Retailer 7
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$530 USD
View
A
Retailer 8
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$615 USD
View
A
Retailer 9
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$643 USD
View
A
Retailer 10
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$713 USD
ZAR 11,520 ZAR
View
A
Retailer 11
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$744 USD
£585 GBP
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A
Retailer 12
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$967 USD
A$1,488 AUD
View
A
Retailer 13
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$998 USD
View
B+
Retailer 14
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$1,155 USD
View
B+
Retailer 15
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$1,334 USD
View
B+
Retailer 16
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$1,445 USD
View
B+
Retailer 17
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$1,494 USD
View
B+
Retailer 18
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$1,519 USD
View
B+
Retailer 19
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$1,530 USD
SGD 2,067 SGD
View
B+
Retailer 20
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$1,615 USD
£1,272 GBP
View
B+
Retailer 21
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$1,671 USD
£1,316 GBP
View
Retailer 22
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$2,585 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-8F0FF4B01 · Oct 29
$2,690 USD
View
22 more retailers have this diamond
Prices start from $303 USDSave up to $2,387 USD

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
$303 USD