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Radiant|Lab Grown|IGI

5.17ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804665318

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

Certificate IGI LG804665318

Diamond specifications and retailer prices

From $16,159 NZD
$9,107 USD
As of October 30, 2026
Save $20,420 NZD (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $36,578 NZD at Yorxs · As of October 31, 2026
View at Yorxs

About this 5.17ct lab-grown radiant diamond

This 5.17ct 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 LG804665318 or 804665318. Listed at 14 retailers as of October 30, 2026, with prices from $16,159 to $36,578, a $20,420 spread on the same certified stone. Yorxs lists it at $36,578. 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

5.17
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665318
Dimensions11.98 × 8.54 × 5.82 mm
L/W Ratio1.40
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
11.98 mm8.54 mm5.17 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665318
Side View
Table 59.0%Crown 38.8°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 68.1%

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: Oct 30
Current: $30,891 NZD|Low: $16,159 NZD|High: $109,102 NZD|Avg: $30,596 NZD|-40.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Yorxs
October 31, 2026
Retailer 8$16,159 NZD
Retailer 10$16,256 NZD
Retailer 4$16,462 NZD
Retailer 3$16,804 NZD
Retailer 13$18,550 NZD
Retailer 2$19,390 NZD
Retailer 11$20,518 NZD
Retailer 9$21,677 NZD
Retailer 7$21,682 NZD
Retailer 5$21,806 NZD
Retailer 1$30,891 NZD
Retailer 6$33,415 NZD
Yorxs$36,578 NZD
Retailer 12$100,833 NZD

39 data points across 14 retailers

14 retailers$16,159 NZD to $36,578 NZD

A
Cheapest Retailer
-
$16,159 NZD
$9,107 USD
A
Retailer 2
-
$16,256 NZD
$9,162 USD
View
A
Retailer 3
-
$16,462 NZD
$9,278 USD
View
A
Retailer 4
-
$16,804 NZD
$9,471 USD
View
A
Retailer 5
-
$18,550 NZD
$10,455 USD
View
A
Retailer 6
-
$19,390 NZD
$10,928 USD
View
A
Retailer 7
-
$20,518 NZD
$11,564 USD
View
A
Retailer 8
-
$21,677 NZD
$12,217 USD
View
A
Retailer 9
-
$21,682 NZD
$12,220 USD
View
A
Retailer 10
-
$21,806 NZD
$12,290 USD
View
Final sale: no returns
A
Retailer 11
-
$30,891 NZD
$17,410 USD
View
B+
Retailer 12
-
$33,415 NZD
£14,829 GBP
View
Most Expensive
B+
Yorxs
557461931 · Oct 31
$36,578 NZD
€19,634 EUR
View
12 more retailers have this diamond
Prices start from $16,159 NZDSave up to $20,420 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
5.17ct Radiant
$16,159 NZD