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Radiant|Lab Grown|IGI

5.20ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG811635548

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

Certificate IGI LG811635548

Diamond specifications and retailer prices

From $16,251 NZD
$9,159 USD
As of October 30, 2026
Save $20,538 NZD (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $36,789 NZD at Yorxs · As of October 31, 2026
View at Yorxs

About this 5.2ct lab-grown radiant diamond

This 5.2ct 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 LG811635548 or 811635548. Listed at 14 retailers as of October 30, 2026, with prices from $16,251 to $36,789, a $20,538 spread on the same certified stone. Yorxs lists it at $36,789. 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

5.20
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811635548
Dimensions12.14 × 8.65 × 5.65 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
12.14 mm8.65 mm5.20 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811635548
Side View
Table 63.0%Crown 42.1°Girdle: Slightly ThickPavilion 33.2°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
A+
Exceptional
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: $31,068 NZD|Low: $16,251 NZD|High: $109,723 NZD|Avg: $31,631 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
Yorxs
October 31, 2026
Retailer 7$16,251 NZD
Retailer 9$16,347 NZD
Retailer 4$16,558 NZD
Retailer 3$16,900 NZD
Retailer 12$18,657 NZD
Retailer 2$19,500 NZD
Retailer 10$20,635 NZD
Retailer 6$21,664 NZD
Retailer 8$21,801 NZD
Retailer 1$31,068 NZD
Retailer 5$33,604 NZD
Yorxs$36,789 NZD
Retailer 11$101,401 NZD

37 data points across 13 retailers

14 retailers$16,251 NZD to $36,789 NZD

A+
Cheapest Retailer
-
$16,251 NZD
$9,159 USD
A
Retailer 2
-
$16,347 NZD
$9,213 USD
View
A
Retailer 3
-
$16,558 NZD
$9,332 USD
View
A
Retailer 4
-
$16,900 NZD
$9,525 USD
View
A
Retailer 5
-
$18,657 NZD
$10,515 USD
View
A
Retailer 6
-
$19,500 NZD
$10,990 USD
View
A
Retailer 7
-
$20,635 NZD
$11,630 USD
View
A
Retailer 8
-
$21,664 NZD
$12,210 USD
View
A
Retailer 9
-
$21,801 NZD
$12,287 USD
View
A
Retailer 10
-
$31,068 NZD
$17,510 USD
View
B+
Retailer 11
-
$33,604 NZD
£14,913 GBP
View
Retailer 12
-
$34,281 NZD
$19,321 USD
View
Price last confirmed 102 days ago
Most Expensive
B+
Yorxs
571891264 · Oct 31
$36,789 NZD
€19,747 EUR
View
12 more retailers have this diamond
Prices start from $16,251 NZDSave up to $20,538 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+
5.20ct Radiant
$16,251 NZD