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Round|Lab Grown|IGI

15.51ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG582361422

Shape and cutting style on the report: Round brilliant

Certificate IGI LG582361422

Diamond specifications and retailer prices

From $10,962 NZD
$6,168 USD
As of November 1, 2026
Save $43,174 NZD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $75,429 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 15.51ct lab-grown round diamond

This 15.51ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG582361422 or 582361422. Listed at 13 retailers as of November 1, 2026, with a 394% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

15.51
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582361422
Dimensions16.01 × 16.09 × 9.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.01 mm16.09 mm15.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582361422
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

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 1
Current: $75,429 NZD|Low: $10,962 NZD|High: $75,429 NZD|Avg: $23,419 NZD|+3.3%
Do Amore Diamonds
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
Retailer 15
November 2, 2026
Retailer 13$10,962 NZD
Retailer 2$11,273 NZD
Retailer 4$11,488 NZD
Retailer 5$13,109 NZD
Retailer 7$13,623 NZD
Retailer 10$15,121 NZD
Retailer 9$15,125 NZD
Retailer 3$16,662 NZD
Retailer 11$17,017 NZD
Retailer 12$19,620 NZD
Retailer 14$22,115 NZD
Retailer 6$23,715 NZD
Retailer 8$26,508 NZD
Retailer 15$54,137 NZD
Do Amore Diamonds$75,429 NZD

38 data points across 15 retailers

13 retailers$10,962 NZD to $54,137 NZD

A
Cheapest Retailer
-
$10,962 NZD
$6,168 USD
A
Retailer 2
-
$11,273 NZD
£4,994 GBP
View
A
Retailer 3
-
$11,488 NZD
$6,464 USD
View
A
Retailer 4
-
$13,109 NZD
$7,376 USD
View
Final sale: no returns
B+
Retailer 5
-
$15,121 NZD
$8,508 USD
View
B+
Retailer 6
-
$15,125 NZD
$8,510 USD
View
B+
Retailer 7
-
$16,662 NZD
$9,375 USD
View
B+
Retailer 8
-
$17,017 NZD
HK$74,800 HKD
View
B+
Retailer 9
-
$19,620 NZD
$11,039 USD
View
B
Retailer 10
-
$22,115 NZD
$12,443 USD
View
B
Retailer 11
-
$26,508 NZD
A$22,946 AUD
View
B
Retailer 12
-
$54,137 NZD
$30,460 USD
View
Most Expensive
Do Amore Diamonds
27-AED61E9FD · Nov 2
$75,429 NZD
$42,440 USD
View
Price under review
12 more retailers have this diamond
Prices start from $10,962 NZDSave up to $43,174 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
15.51ct Round
$10,962 NZD