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Radiant|Lab Grown|IGI

1.47ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG821695878

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

Certificate IGI LG821695878

Diamond specifications and retailer prices

From $573 NZD
As of November 4, 2026
Save $2,049 NZD (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,872 NZD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 1.47ct lab-grown radiant diamond

This 1.47ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821695878 or 821695878. Listed at 20 retailers as of November 4, 2026, with a 358% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.47
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821695878
Dimensions8.77 × 5.54 × 3.53 mm
L/W Ratio1.58
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
8.77 mm5.54 mm1.47 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821695878
Side View
Table 64.0%Crown 38.5°Girdle: MediumPavilion 35.6°Culet: NoneDepth 63.7%

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: Nov 4
Current: $5,872 NZD|Low: $569 NZD|High: $6,120 NZD|Avg: $2,057 NZD|-4.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 3$573 NZD
Retailer 4$873 NZD
Retailer 10$914 NZD
Retailer 15$1,050 NZD
Retailer 13$1,098 NZD
Retailer 2$1,114 NZD
Retailer 11$1,561 NZD
Retailer 8$1,566 NZD
Retailer 14$1,951 NZD
Retailer 12$2,132 NZD
Retailer 5$2,533 NZD
Retailer 9$2,622 NZD
Retailer 7$2,650 NZD
Retailer 6$4,080 NZD
Brilliant Earth$5,872 NZD

31 data points across 15 retailers

20 retailers$573 NZD to $2,622 NZD

Retailer 1
-
$522 NZD
Price last confirmed 34 days ago
A
Retailer 2
-
$573 NZD
View
Final sale: no returns
Retailer 3
-
$603 NZD
View
Price last confirmed 39 days ago
Retailer 4
-
$635 NZD
View
Price last confirmed 41 days ago
Retailer 5
-
$674 NZD
View
Price last confirmed 33 days ago
A
Retailer 6
-
$873 NZD
View
A
Retailer 7
-
$914 NZD
View
A
Retailer 8
-
$1,050 NZD
View
A
Retailer 9
-
$1,098 NZD
View
A
Retailer 10
-
$1,114 NZD
View
A
Retailer 11
-
$1,561 NZD
View
B+
Retailer 12
-
$1,566 NZD
View
B+
Retailer 13
-
$1,951 NZD
View
B+
Retailer 14
-
$2,132 NZD
View
Retailer 15
-
$2,166 NZD
View
Price last confirmed 32 days ago
Retailer 16
-
$2,533 NZD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
$2,622 NZD
View
Retailer 18
-
$2,650 NZD
View
Price last confirmed 28 days ago
Retailer 19
-
$4,080 NZD
View
Price last confirmed 15 days ago
Most Expensive
Brilliant Earth
21212801A · Oct 18
$5,872 NZD
$3,310 USD
View
Price last confirmed 17 days ago
19 more retailers have this diamond
Prices start from $573 NZDSave up to $2,049 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
1.47ct Radiant
$573 NZD