Radiant|Lab Grown|IGI

1.71ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG818654487

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

Certificate IGI LG818654487

Diamond specifications and retailer prices

From $1,034 NZD
$583 USD
As of October 30, 2026
Save $8,156 NZD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,191 NZD at Do Amore Diamonds · As of October 30, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818654487 or 818654487. Listed at 12 retailers as of October 30, 2026, with prices from $1,034 to $9,191, a $8,156 spread on the same certified stone. Do Amore Diamonds lists it at $9,191. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654487
Dimensions8.71 × 5.86 × 3.83 mm
L/W Ratio1.49
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
8.71 mm5.86 mm1.71 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654487
Side View
Table 63.0%Crown 44.4°Girdle: MED-STKPavilion 31.9°Culet: NoneDepth 65.4%

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 30
Current: $9,191 NZD|Low: $1,034 NZD|High: $11,781 NZD|Avg: $4,521 NZD|-14.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 8$1,034 NZD
Retailer 12$1,159 NZD
Retailer 3$1,544 NZD
Retailer 4$1,914 NZD
Retailer 9$1,971 NZD
Retailer 2$2,271 NZD
Retailer 10$3,183 NZD
Retailer 11$3,724 NZD
Retailer 7$5,611 NZD
Retailer 5$5,719 NZD
Retailer 6$6,742 NZD
Retailer 13$7,195 NZD
Do Amore Diamonds$9,191 NZD

31 data points across 13 retailers

12 retailers$1,034 NZD to $9,191 NZD

A
Cheapest Retailer
-
$1,034 NZD
$583 USD
A
Retailer 2
-
$1,159 NZD
$653 USD
View
A
Retailer 3
-
$1,544 NZD
$870 USD
View
A
Retailer 4
-
$1,914 NZD
$1,079 USD
View
A
Retailer 5
-
$1,971 NZD
$1,111 USD
View
B+
Retailer 6
-
$2,271 NZD
€1,219 EUR
View
B+
Retailer 7
-
$3,183 NZD
$1,794 USD
View
B+
Retailer 8
-
$3,724 NZD
$2,099 USD
View
B
Retailer 9
-
$5,611 NZD
£2,490 GBP
View
B
Retailer 10
-
$6,742 NZD
$3,800 USD
View
B
Retailer 11
-
$7,195 NZD
$4,055 USD
View
Most Expensive
B
Do Amore Diamonds
27-D7290C018 · Oct 30
$9,191 NZD
$5,180 USD
View
11 more retailers have this diamond
Prices start from $1,034 NZDSave up to $8,156 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
$1,034 NZD