Radiant|Lab Grown|IGI

4.89ct D IF Radiant Lab Grown Diamond

D/IF

Diamond specifications and retailer prices

From $11,489 NZD
$6,475 USD
As of October 30, 2026
Save $5,974 NZD (34%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $17,463 NZD at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

About this 4.89ct lab-grown radiant diamond

This 4.89ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI. Listed at 5 retailers as of October 30, 2026, with prices from $11,489 to $17,463, a $5,974 spread on the same certified stone. NZ Jewellers lists it at $17,463. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.89
Carat
D
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions12.00 × 8.54 × 5.50 mm
L/W Ratio1.41
Top View
12.00 mm8.54 mm4.89 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 62.0%CrownGirdle: MediumPavilionCulet: NoneDepth 64.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $17,463 NZD|Low: $11,489 NZD|High: $17,463 NZD|Avg: $13,038 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4$11,489 NZD
Retailer 5$11,948 NZD
Retailer 2$12,253 NZD
Retailer 3$13,327 NZD
Retailer 6$13,327 NZD
NZ Jewellers$17,463 NZD

19 data points across 6 retailers

5 retailers$11,489 NZD to $17,463 NZD

B+
Cheapest Retailer
-
$11,489 NZD
$6,475 USD
B+
Retailer 2
-
$11,948 NZD
$6,734 USD
View
B+
Retailer 3
-
$12,253 NZD
£5,438 GBP
View
B+
Retailer 4
-
$13,327 NZD
$7,511 USD
View
Most Expensive
B
NZ Jewellers
1ef10371-3b72-4b07-87b3-87f3fa33ad22 · Nov 1
$17,463 NZD
$9,842 USD
View
4 more retailers have this diamond
Prices start from $11,489 NZDSave up to $5,974 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.

B+
4.89ct Radiant
$11,489 NZD