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Radiant|Lab Grown|IGI

5.09ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG828681283

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

Certificate IGI LG828681283

Diamond specifications and retailer prices

From $19,194 NZD
$10,818 USD
As of October 31, 2026
Save $57,097 NZD (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $76,291 NZD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.09ct lab-grown radiant diamond

This 5.09ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828681283 or 828681283. Listed at 14 retailers as of October 31, 2026, with prices from $19,194 to $76,291, a $57,097 spread on the same certified stone. With Clarity lists it at $76,291. 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

5.09
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828681283
Dimensions12.35 × 8.63 × 5.52 mm
L/W Ratio1.43
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
12.35 mm8.63 mm5.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828681283
Side View
Table 63.0%Crown 40.8°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 64.0%

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 31
Current: $42,841 NZD|Low: $19,194 NZD|High: $82,159 NZD|Avg: $38,980 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
November 1, 2026
Retailer 7$19,194 NZD
Retailer 10$20,440 NZD
Retailer 3$21,162 NZD
Retailer 6$22,603 NZD
Retailer 9$30,660 NZD
Retailer 5$31,420 NZD
Retailer 2$32,548 NZD
Retailer 8$34,214 NZD
Retailer 12$38,004 NZD
Retailer 1$42,841 NZD
Retailer 4$55,632 NZD
Retailer 11$58,862 NZD
With Clarity$76,291 NZD

20 data points across 13 retailers

14 retailers$19,194 NZD to $76,291 NZD

A
Cheapest Retailer
-
$19,194 NZD
$10,818 USD
A
Retailer 2
-
$20,440 NZD
HK$90,000 HKD
View
A
Retailer 3
-
$21,162 NZD
$11,927 USD
View
A
Retailer 4
-
$22,603 NZD
£10,031 GBP
View
A
Retailer 5
-
$30,660 NZD
$17,280 USD
View
A
Retailer 6
-
$31,420 NZD
€16,865 EUR
View
B+
Retailer 7
-
$32,548 NZD
£14,444 GBP
View
B+
Retailer 8
-
$34,214 NZD
$19,283 USD
View
B+
Retailer 9
-
$38,004 NZD
ZAR 346,025 ZAR
View
B+
Retailer 10
-
$40,640 NZD
$22,905 USD
View
B+
Retailer 11
-
$42,841 NZD
A$37,147 AUD
View
B
Retailer 12
-
$55,632 NZD
$31,354 USD
View
B
Retailer 13
-
$58,862 NZD
$33,175 USD
View
Most Expensive
B
With Clarity
828681283 · Oct 31
$76,291 NZD
$42,998 USD
View
13 more retailers have this diamond
Prices start from $19,194 NZDSave up to $57,097 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
5.09ct Radiant
$19,194 NZD