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Oval|Lab Grown|IGI

15.51ct F VS2 Oval Lab Grown Diamond

EX • F/VS2 • IGI LG819655395

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG819655395

Diamond specifications and retailer prices

From $6,686 NZD
$3,768 USD
As of November 1, 2026
Save $39,304 NZD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $45,990 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 15.51ct lab-grown oval diamond

This 15.51ct lab-grown oval 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 LG819655395 or 819655395. Listed at 14 retailers as of October 31, 2026, with prices from $6,686 to $45,990, a $39,304 spread on the same certified stone. Do Amore Diamonds lists it at $45,990. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819655395
Dimensions20.01 × 14.12 × 8.77 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
20.01 mm14.12 mm15.51 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819655395
Side View
Table 59.0%Crown 36.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

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: Nov 1
Current: $45,990 NZD|Low: $6,418 NZD|High: $53,637 NZD|Avg: $16,068 NZD|-14.3%
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
November 1, 2026
Retailer 11$6,686 NZD
Retailer 3$7,007 NZD
Retailer 12$7,755 NZD
Retailer 7$7,763 NZD
Retailer 10$10,286 NZD
Retailer 13$10,697 NZD
Retailer 8$11,070 NZD
Retailer 6$11,263 NZD
Retailer 9$13,094 NZD
Retailer 4$20,612 NZD
Retailer 2$20,831 NZD
Retailer 5$30,443 NZD
Do Amore Diamonds$45,990 NZD

42 data points across 13 retailers

14 retailers$6,686 NZD to $45,990 NZD

A
Cheapest Retailer
-
$6,686 NZD
$3,768 USD
A
Retailer 2
-
$7,007 NZD
$3,949 USD
View
A
Retailer 3
-
$7,755 NZD
$4,371 USD
View
Retailer 4
-
$7,755 NZD
$4,371 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$7,763 NZD
$4,375 USD
View
B+
Retailer 6
-
$10,286 NZD
$5,797 USD
View
B+
Retailer 7
-
$10,697 NZD
$6,029 USD
View
B+
Retailer 8
-
$11,070 NZD
$6,239 USD
View
B+
Retailer 9
-
$11,263 NZD
£4,998 GBP
View
B+
Retailer 10
-
$13,094 NZD
$7,380 USD
View
B
Retailer 11
-
$20,612 NZD
$11,617 USD
View
B
Retailer 12
-
$20,831 NZD
A$18,062 AUD
View
Retailer 13
-
$30,443 NZD
$17,158 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Do Amore Diamonds
27-2FBEB70E9 · Oct 31
$45,990 NZD
$25,920 USD
View
13 more retailers have this diamond
Prices start from $6,686 NZDSave up to $39,304 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 Oval
$6,686 NZD