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Radiant|Lab Grown|IGI

5.18ct D VS2 Radiant Lab Grown Diamond

EX • D/VS2 • IGI LG823614337

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

Certificate IGI LG823614337

Diamond specifications and retailer prices

From $2,280 NZD
$1,285 USD
As of October 31, 2026
Save $7,612 NZD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,892 NZD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.18ct lab-grown radiant diamond

This 5.18ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823614337 or 823614337. Listed at 16 retailers as of October 28, 2026, with prices from $2,280 to $9,892, a $7,612 spread on the same certified stone. Rare Carat lists it at $9,892. 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

5.18
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823614337
Dimensions12.74 × 8.45 × 5.67 mm
L/W Ratio1.51
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.74 mm8.45 mm5.18 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823614337
Side View
Table 65.0%Crown 43.9°Girdle: MediumPavilion 34.9°Culet: NoneDepth 67.1%

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 31
Current: $9,892 NZD|Low: $1,891 NZD|High: $18,648 NZD|Avg: $5,773 NZD|-0.6%
Rare Carat
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
October 31, 2026
Retailer 4$1,973 NZD
Retailer 12$2,182 NZD
Retailer 10$2,280 NZD
Retailer 7$3,016 NZD
Retailer 3$3,156 NZD
Retailer 2$3,244 NZD
Retailer 11$4,251 NZD
Retailer 13$4,535 NZD
Retailer 14$5,435 NZD
Retailer 5$6,118 NZD
Retailer 9$6,726 NZD
Retailer 6$6,867 NZD
Retailer 8$9,776 NZD
Rare Carat$9,892 NZD

40 data points across 14 retailers

16 retailers$2,280 NZD to $9,892 NZD

Retailer 1
-
$1,774 NZD
$1,000 USD
Price last confirmed 34 days ago
Retailer 2
-
$1,867 NZD
$1,052 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$1,973 NZD
$1,112 USD
View
Price last confirmed 20 days ago
Retailer 4
-
$2,182 NZD
£968 GBP
View
Price last confirmed 14 days ago
A
Retailer 5
-
$2,280 NZD
$1,285 USD
View
A
Retailer 6
-
$3,016 NZD
£1,338 GBP
View
A
Retailer 7
-
$3,156 NZD
$1,779 USD
View
A
Retailer 8
-
$3,244 NZD
€1,741 EUR
View
B+
Retailer 9
-
$4,251 NZD
$2,396 USD
View
B+
Retailer 10
-
$4,535 NZD
$2,556 USD
View
B+
Retailer 11
-
$5,435 NZD
£2,412 GBP
View
B
Retailer 12
-
$6,118 NZD
$3,448 USD
View
B
Retailer 13
-
$6,726 NZD
£2,985 GBP
View
Retailer 14
-
$6,867 NZD
$3,870 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
$9,776 NZD
$5,510 USD
View
Most Expensive
B
Rare Carat
748643 · Oct 28
$9,892 NZD
$5,575 USD
View
15 more retailers have this diamond
Prices start from $2,280 NZDSave up to $7,612 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
5.18ct Radiant
$2,280 NZD