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Radiant|Lab Grown|IGI

5.11ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784642156

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

Certificate IGI LG784642156

Diamond specifications and retailer prices

From $15,974 NZD
$9,003 USD
As of October 30, 2026
Save $20,178 NZD (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $36,152 NZD at Yorxs · As of October 31, 2026
View at Yorxs

About this 5.11ct lab-grown radiant diamond

This 5.11ct 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 LG784642156 or 784642156. Listed at 14 retailers as of October 30, 2026, with prices from $15,974 to $36,152, a $20,178 spread on the same certified stone. Yorxs lists it at $36,152. 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

5.11
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642156
Dimensions12.04 × 8.60 × 5.73 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
12.04 mm8.60 mm5.11 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642156
Side View
Table 64.0%Crown 39.8°Girdle: ThickPavilion 34.8°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
A
Excellent
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: $35,539 NZD|Low: $15,974 NZD|High: $107,860 NZD|Avg: $30,264 NZD|-31.1%
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$15,974 NZD
Retailer 10$16,073 NZD
Retailer 4$16,272 NZD
Retailer 3$16,613 NZD
Retailer 13$18,346 NZD
Retailer 2$19,170 NZD
Retailer 11$20,286 NZD
Retailer 9$21,434 NZD
Retailer 7$21,505 NZD
Retailer 5$21,558 NZD
Retailer 6$33,034 NZD
Retailer 1$35,539 NZD
Yorxs$36,152 NZD
Retailer 12$99,680 NZD

39 data points across 14 retailers

14 retailers$15,974 NZD to $36,152 NZD

A
Cheapest Retailer
-
$15,974 NZD
$9,003 USD
A
Retailer 2
-
$16,073 NZD
$9,059 USD
View
A
Retailer 3
-
$16,272 NZD
$9,171 USD
View
A
Retailer 4
-
$16,613 NZD
$9,363 USD
View
A
Retailer 5
-
$18,346 NZD
$10,340 USD
View
A
Retailer 6
-
$19,170 NZD
$10,804 USD
View
A
Retailer 7
-
$20,286 NZD
$11,433 USD
View
A
Retailer 8
-
$21,434 NZD
$12,080 USD
View
A
Retailer 9
-
$21,505 NZD
$12,120 USD
View
A
Retailer 10
-
$21,558 NZD
$12,150 USD
View
Final sale: no returns
B+
Retailer 11
-
$33,034 NZD
£14,660 GBP
View
B+
Retailer 12
-
$35,539 NZD
$20,030 USD
View
Most Expensive
B+
Yorxs
528548997 · Oct 31
$36,152 NZD
€19,405 EUR
View
12 more retailers have this diamond
Prices start from $15,974 NZDSave up to $20,178 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
5.11ct Radiant
$15,974 NZD