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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 $538 NZD
$303 USD
As of October 30, 2026
Save $4,235 NZD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,773 NZD 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 29, 2026, with prices from $538 to $4,773, a $4,235 spread on the same certified stone. Do Amore Diamonds lists it at $4,773. 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

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 30
Current: $4,773 NZD|Low: $516 NZD|High: $4,773 NZD|Avg: $1,984 NZD
Do Amore Diamonds
Retailer 2
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Retailer 20
October 30, 2026
Retailer 19$538 NZD
Retailer 7$601 NZD
Retailer 20$667 NZD
Retailer 10$931 NZD
Retailer 16$940 NZD
Retailer 6$1,091 NZD
Retailer 4$1,141 NZD
Retailer 15$1,265 NZD
Retailer 2$1,319 NZD
Retailer 14$1,716 NZD
Retailer 18$2,049 NZD
Retailer 5$2,367 NZD
Retailer 3$2,564 NZD
Retailer 12$2,652 NZD
Retailer 8$2,694 NZD
Retailer 9$2,714 NZD
Retailer 11$2,866 NZD
Retailer 13$2,965 NZD
Retailer 17$4,587 NZD
Do Amore Diamonds$4,773 NZD

45 data points across 20 retailers

23 retailers$538 NZD to $4,773 NZD

A
Cheapest Retailer
-
$538 NZD
$303 USD
A
Retailer 2
-
$601 NZD
$339 USD
View
Final sale: no returns
A
Retailer 3
-
$625 NZD
$352 USD
View
A
Retailer 4
-
$667 NZD
$376 USD
View
A
Retailer 5
-
$667 NZD
$376 USD
View
A
Retailer 6
-
$931 NZD
HK$4,100 HKD
View
A
Retailer 7
-
$940 NZD
$530 USD
View
A
Retailer 8
-
$1,091 NZD
$615 USD
View
A
Retailer 9
-
$1,141 NZD
$643 USD
View
A
Retailer 10
-
$1,265 NZD
ZAR 11,520 ZAR
View
A
Retailer 11
-
$1,319 NZD
£585 GBP
View
A
Retailer 12
-
$1,716 NZD
A$1,488 AUD
View
A
Retailer 13
-
$1,771 NZD
$998 USD
View
B+
Retailer 14
-
$2,049 NZD
$1,155 USD
View
B+
Retailer 15
-
$2,367 NZD
$1,334 USD
View
B+
Retailer 16
-
$2,564 NZD
$1,445 USD
View
B+
Retailer 17
-
$2,652 NZD
$1,494 USD
View
B+
Retailer 18
-
$2,694 NZD
$1,519 USD
View
B+
Retailer 19
-
$2,714 NZD
SGD 2,067 SGD
View
B+
Retailer 20
-
$2,866 NZD
£1,272 GBP
View
B+
Retailer 21
-
$2,965 NZD
£1,316 GBP
View
Retailer 22
-
$4,587 NZD
$2,585 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-8F0FF4B01 · Oct 29
$4,773 NZD
$2,690 USD
View
22 more retailers have this diamond
Prices start from $538 NZDSave up to $4,235 NZD

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
$538 NZD