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Oval|Lab Grown|IGI

11.86ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG839643022

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839643022

Diamond specifications and retailer prices

From $2,647 NZD
$1,492 USD
As of October 31, 2026
Save $12,541 NZD (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $15,188 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.86ct lab-grown oval diamond

This 11.86ct lab-grown oval sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839643022 or 839643022. Listed at 3 retailers as of October 31, 2026, with prices from $2,647 to $15,188, a $12,541 spread on the same certified stone. Brilliant Earth lists it at $15,188. 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

11.86
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839643022
Dimensions18.63 × 12.82 × 7.86 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.63 mm12.82 mm11.86 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839643022
Side View
Table 62.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $15,188 NZD|Low: $2,647 NZD|High: $15,188 NZD|Avg: $7,964 NZD
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$2,647 NZD
Retailer 2$3,942 NZD
Brilliant Earth$15,188 NZD

31 data points across 3 retailers

3 retailers$2,647 NZD to $15,188 NZD

A
Cheapest Retailer
-
$2,647 NZD
$1,492 USD
Final sale: no returns
A
Retailer 2
-
$3,942 NZD
£1,749 GBP
View
Most Expensive
B
Brilliant Earth
21552115A · Oct 31
$15,188 NZD
$8,560 USD
View
2 more retailers have this diamond
Prices start from $2,647 NZDSave up to $12,541 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
11.86ct Oval
$2,647 NZD