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Radiant|Lab Grown|IGI

15.05ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG818611981

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

Certificate IGI LG818611981

Diamond specifications and retailer prices

From $5,447 NZD
$3,065 USD
As of November 2, 2026
Save $19,964 NZD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $25,412 NZD at Adiamor · As of November 2, 2026
View at Adiamor

About this 15.05ct lab-grown radiant diamond

This 15.05ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818611981 or 818611981. Listed at 13 retailers as of November 2, 2026, with prices from $5,447 to $25,412, a $19,964 spread on the same certified stone. Adiamor lists it at $25,412. 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

15.05
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818611981
Dimensions17.98 × 12.16 × 7.84 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.98 mm12.16 mm15.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818611981
Side View
Table 70.0%Crown 42.5°Girdle: MediumPavilion 35.9°Culet: NoneDepth 64.5%

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: Nov 2
Current: $8,517 NZD|Low: $5,447 NZD|High: $19,588 NZD|Avg: $10,198 NZD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7$5,447 NZD
Retailer 10$6,333 NZD
Retailer 4$7,290 NZD
Retailer 9$7,987 NZD
Retailer 8$8,426 NZD
Retailer 3$8,474 NZD
Retailer 1$8,517 NZD
Retailer 5$10,085 NZD
Retailer 6$19,087 NZD
Retailer 2$19,588 NZD

42 data points across 10 retailers

13 retailers$5,447 NZD to $25,412 NZD

A
Cheapest Retailer
-
$5,447 NZD
$3,065 USD
A
Retailer 2
-
$6,333 NZD
$3,563 USD
View
A
Retailer 3
-
$7,290 NZD
£3,230 GBP
View
A
Retailer 4
-
$7,987 NZD
$4,494 USD
View
A
Retailer 5
-
$8,426 NZD
ZAR 76,594 ZAR
View
A
Retailer 6
-
$8,474 NZD
$4,768 USD
View
A
Retailer 7
-
$8,517 NZD
€4,564 EUR
View
B+
Retailer 8
-
$10,085 NZD
A$8,730 AUD
View
Retailer 9
-
$11,313 NZD
$6,365 USD
View
Price last confirmed 12 days ago
B
Retailer 10
-
$18,981 NZD
$10,680 USD
View
B
Retailer 11
-
$19,087 NZD
A$16,522 AUD
View
B
Retailer 12
-
$19,988 NZD
$11,246 USD
View
Most Expensive
B
Adiamor
D-81080385 · Nov 2
$25,412 NZD
$14,298 USD
View
12 more retailers have this diamond
Prices start from $5,447 NZDSave up to $19,964 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
15.05ct Radiant
$5,447 NZD