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Oval|Lab Grown|IGI

13.70ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG817665678

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817665678

Diamond specifications and retailer prices

About this 13.7ct lab-grown oval diamond

This 13.7ct lab-grown oval 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 LG817665678 or 817665678. Listed at 10 retailers as of October 28, 2026. 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

13.70
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817665678
Dimensions19.53 × 13.55 × 8.42 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.53 mm13.55 mm13.70 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817665678
Side View
Table 59.0%Crown 35.3°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 62.1%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 30
Current: $1,441,709 USD|Low: $1,304,087 USD|High: $2,576,505 USD|Avg: $1,740,837 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 20, 2026
Retailer 5$1,306,120 USD
Retailer 7$1,338,861 USD
Retailer 10$1,344,310 USD
Retailer 1$1,441,709 USD
Retailer 6$1,441,709 USD
Retailer 4$1,614,714 USD
Retailer 3$1,672,382 USD
Retailer 9$1,672,382 USD
Retailer 8$2,563,110 USD
Retailer 2$2,576,505 USD

7 data points across 10 retailers

10 retailers

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.

13.70ct Oval