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Radiant|Lab Grown|IGI

5.22ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784644673

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

Certificate IGI LG784644673

Diamond specifications and retailer prices

From $16,311 NZD
$9,193 USD
As of October 30, 2026
Save $36,412 NZD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $52,724 NZD at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 5.22ct lab-grown radiant diamond

This 5.22ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784644673 or 784644673. Listed at 15 retailers as of October 29, 2026, with prices from $16,311 to $52,724, a $36,412 spread on the same certified stone. Frank Darling lists it at $52,724. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.22
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644673
Dimensions12.16 × 8.71 × 5.80 mm
L/W Ratio1.40
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
12.16 mm8.71 mm5.22 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644673
Side View
Table 66.0%Crown 37.5°Girdle: Slightly ThickPavilion 35.2°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
A+
Exceptional
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: $52,724 NZD|Low: $16,311 NZD|High: $110,131 NZD|Avg: $32,285 NZD|-12.5%
Frank Darling
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
October 30, 2026
Retailer 10$16,311 NZD
Retailer 12$16,407 NZD
Retailer 6$16,622 NZD
Retailer 4$16,964 NZD
Retailer 15$18,728 NZD
Retailer 3$19,574 NZD
Retailer 13$20,713 NZD
Retailer 9$21,726 NZD
Retailer 11$21,881 NZD
Retailer 7$22,012 NZD
Retailer 2$31,192 NZD
Retailer 8$33,731 NZD
Retailer 5$36,837 NZD
Frank Darling$52,724 NZD
Retailer 14$101,774 NZD

38 data points across 15 retailers

15 retailers$16,311 NZD to $52,724 NZD

A+
Cheapest Retailer
-
$16,311 NZD
$9,193 USD
A
Retailer 2
-
$16,407 NZD
$9,247 USD
View
A
Retailer 3
-
$16,622 NZD
$9,368 USD
View
A
Retailer 4
-
$16,964 NZD
$9,561 USD
View
A
Retailer 5
-
$18,728 NZD
$10,555 USD
View
A
Retailer 6
-
$19,574 NZD
$11,032 USD
View
A
Retailer 7
-
$20,713 NZD
$11,674 USD
View
A
Retailer 8
-
$21,726 NZD
$12,245 USD
View
A
Retailer 9
-
$21,881 NZD
$12,332 USD
View
A
Retailer 10
-
$22,012 NZD
$12,406 USD
View
Final sale: no returns
A
Retailer 11
-
$31,192 NZD
$17,580 USD
View
A
Retailer 12
-
$33,731 NZD
£14,969 GBP
View
Retailer 13
-
$36,837 NZD
€19,773 EUR
View
Price last confirmed 7 days ago
Most Expensive
B+
Frank Darling
P83F-3EL · Oct 29
$52,724 NZD
$29,715 USD
View
13 more retailers have this diamond
Prices start from $16,311 NZDSave up to $36,412 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+
5.22ct Radiant
$16,311 NZD